Files
sii/AIS2.ipynb
2025-12-15 22:14:13 +03:00

2709 lines
122 KiB
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"id": "CvmiakWDcuyf"
},
"source": [
"# Лабораторная работа №2\n",
"## по предмету \"Системы искусственного интеллекта\"\n",
"\n",
"В данной лабораторной работе вы будете работать с набором данных, который содержит информацию о технических характеристиках ноутбуков и их цену.\n",
"Целью работы является изучение теоретических основ методов машинного обучения.\n",
"\n",
"В наборе данных для лабораторной работы содержится абор характеристик мобильных телефонов, включая мощность аккумулятора, характеристики камеры, поддержку сети, память, размеры экрана и другие атрибуты. Столбец «price_range» классифицирует телефоны по ценовым диапазонам (этот столбец необходимо предсказать)."
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "YEZ0T1uwj34v"
},
"source": [
"### Задание 1\n",
"\n",
"Выгрузите данные из датасета. Изучите колонки, проверьте наличие пропусков. Постройте матрицу корреляции между признаками и целевой переменной. Сделайте выводы, что показывает эта матрица."
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"id": "91NHysjQj26f"
},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>battery_power</th>\n",
" <th>blue</th>\n",
" <th>clock_speed</th>\n",
" <th>dual_sim</th>\n",
" <th>fc</th>\n",
" <th>four_g</th>\n",
" <th>int_memory</th>\n",
" <th>m_dep</th>\n",
" <th>mobile_wt</th>\n",
" <th>n_cores</th>\n",
" <th>...</th>\n",
" <th>px_height</th>\n",
" <th>px_width</th>\n",
" <th>ram</th>\n",
" <th>sc_h</th>\n",
" <th>sc_w</th>\n",
" <th>talk_time</th>\n",
" <th>three_g</th>\n",
" <th>touch_screen</th>\n",
" <th>wifi</th>\n",
" <th>price_range</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>842</td>\n",
" <td>0</td>\n",
" <td>2.2</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>7</td>\n",
" <td>0.6</td>\n",
" <td>188</td>\n",
" <td>2</td>\n",
" <td>...</td>\n",
" <td>20</td>\n",
" <td>756</td>\n",
" <td>2549</td>\n",
" <td>9</td>\n",
" <td>7</td>\n",
" <td>19</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" </tr>\n",
" <tr>\n",
" <th>1</th>\n",
" <td>1021</td>\n",
" <td>1</td>\n",
" <td>0.5</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" <td>53</td>\n",
" <td>0.7</td>\n",
" <td>136</td>\n",
" <td>3</td>\n",
" <td>...</td>\n",
" <td>905</td>\n",
" <td>1988</td>\n",
" <td>2631</td>\n",
" <td>17</td>\n",
" <td>3</td>\n",
" <td>7</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2</th>\n",
" <td>563</td>\n",
" <td>1</td>\n",
" <td>0.5</td>\n",
" <td>1</td>\n",
" <td>2</td>\n",
" <td>1</td>\n",
" <td>41</td>\n",
" <td>0.9</td>\n",
" <td>145</td>\n",
" <td>5</td>\n",
" <td>...</td>\n",
" <td>1263</td>\n",
" <td>1716</td>\n",
" <td>2603</td>\n",
" <td>11</td>\n",
" <td>2</td>\n",
" <td>9</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <th>3</th>\n",
" <td>615</td>\n",
" <td>1</td>\n",
" <td>2.5</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>10</td>\n",
" <td>0.8</td>\n",
" <td>131</td>\n",
" <td>6</td>\n",
" <td>...</td>\n",
" <td>1216</td>\n",
" <td>1786</td>\n",
" <td>2769</td>\n",
" <td>16</td>\n",
" <td>8</td>\n",
" <td>11</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>2</td>\n",
" </tr>\n",
" <tr>\n",
" <th>4</th>\n",
" <td>1821</td>\n",
" <td>1</td>\n",
" <td>1.2</td>\n",
" <td>0</td>\n",
" <td>13</td>\n",
" <td>1</td>\n",
" <td>44</td>\n",
" <td>0.6</td>\n",
" <td>141</td>\n",
" <td>2</td>\n",
" <td>...</td>\n",
" <td>1208</td>\n",
" <td>1212</td>\n",
" <td>1411</td>\n",
" <td>8</td>\n",
" <td>2</td>\n",
" <td>15</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"<p>5 rows × 21 columns</p>\n",
"</div>"
],
"text/plain": [
" battery_power blue clock_speed dual_sim fc four_g int_memory m_dep \\\n",
"0 842 0 2.2 0 1 0 7 0.6 \n",
"1 1021 1 0.5 1 0 1 53 0.7 \n",
"2 563 1 0.5 1 2 1 41 0.9 \n",
"3 615 1 2.5 0 0 0 10 0.8 \n",
"4 1821 1 1.2 0 13 1 44 0.6 \n",
"\n",
" mobile_wt n_cores ... px_height px_width ram sc_h sc_w talk_time \\\n",
"0 188 2 ... 20 756 2549 9 7 19 \n",
"1 136 3 ... 905 1988 2631 17 3 7 \n",
"2 145 5 ... 1263 1716 2603 11 2 9 \n",
"3 131 6 ... 1216 1786 2769 16 8 11 \n",
"4 141 2 ... 1208 1212 1411 8 2 15 \n",
"\n",
" three_g touch_screen wifi price_range \n",
"0 0 0 1 1 \n",
"1 1 1 0 2 \n",
"2 1 1 0 2 \n",
"3 1 0 0 2 \n",
"4 1 1 0 1 \n",
"\n",
"[5 rows x 21 columns]"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"import pandas as pd\n",
"\n",
"df = pd.read_csv('AIS2.csv')\n",
"\n",
"df.head()"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"battery_power 0\n",
"blue 0\n",
"clock_speed 0\n",
"dual_sim 0\n",
"fc 0\n",
"four_g 0\n",
"int_memory 0\n",
"m_dep 0\n",
"mobile_wt 0\n",
"n_cores 0\n",
"pc 0\n",
"px_height 0\n",
"px_width 0\n",
"ram 0\n",
"sc_h 0\n",
"sc_w 0\n",
"talk_time 0\n",
"three_g 0\n",
"touch_screen 0\n",
"wifi 0\n",
"price_range 0\n",
"dtype: int64"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/plain": [
"battery_power 0\n",
"blue 0\n",
"clock_speed 0\n",
"dual_sim 0\n",
"fc 0\n",
"four_g 0\n",
"int_memory 0\n",
"m_dep 0\n",
"mobile_wt 0\n",
"n_cores 0\n",
"pc 0\n",
"px_height 0\n",
"px_width 0\n",
"ram 0\n",
"sc_h 0\n",
"sc_w 0\n",
"talk_time 0\n",
"three_g 0\n",
"touch_screen 0\n",
"wifi 0\n",
"price_range 0\n",
"dtype: int64"
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/plain": [
"battery_power 0\n",
"blue 1010\n",
"clock_speed 0\n",
"dual_sim 981\n",
"fc 474\n",
"four_g 957\n",
"int_memory 0\n",
"m_dep 0\n",
"mobile_wt 0\n",
"n_cores 0\n",
"pc 101\n",
"px_height 2\n",
"px_width 0\n",
"ram 0\n",
"sc_h 0\n",
"sc_w 180\n",
"talk_time 0\n",
"three_g 477\n",
"touch_screen 994\n",
"wifi 986\n",
"price_range 500\n",
"dtype: int64"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"display(df.isnull().sum())\n",
"display(df.isna().sum())\n",
"display(df.eq(0).sum())"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"price_range 1.000000\n",
"ram 0.917046\n",
"battery_power 0.200723\n",
"px_width 0.165818\n",
"px_height 0.148858\n",
"int_memory 0.044435\n",
"sc_w 0.038711\n",
"pc 0.033599\n",
"three_g 0.023611\n",
"sc_h 0.022986\n",
"fc 0.021998\n",
"talk_time 0.021859\n",
"blue 0.020573\n",
"wifi 0.018785\n",
"dual_sim 0.017444\n",
"four_g 0.014772\n",
"n_cores 0.004399\n",
"m_dep 0.000853\n",
"clock_speed -0.006606\n",
"mobile_wt -0.030302\n",
"touch_screen -0.030411\n",
"Name: price_range, dtype: float64"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df.corr()['price_range'].sort_values(ascending=False)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "Ch5WytHwlGpd"
},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>battery_power</th>\n",
" <th>blue</th>\n",
" <th>clock_speed</th>\n",
" <th>dual_sim</th>\n",
" <th>fc</th>\n",
" <th>four_g</th>\n",
" <th>int_memory</th>\n",
" <th>m_dep</th>\n",
" <th>mobile_wt</th>\n",
" <th>n_cores</th>\n",
" <th>pc</th>\n",
" <th>px_height</th>\n",
" <th>px_width</th>\n",
" <th>ram</th>\n",
" <th>sc_h</th>\n",
" <th>sc_w</th>\n",
" <th>talk_time</th>\n",
" <th>three_g</th>\n",
" <th>touch_screen</th>\n",
" <th>wifi</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>842</td>\n",
" <td>0</td>\n",
" <td>2.2</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>7</td>\n",
" <td>0.6</td>\n",
" <td>188</td>\n",
" <td>2</td>\n",
" <td>2</td>\n",
" <td>20</td>\n",
" <td>756</td>\n",
" <td>2549</td>\n",
" <td>9</td>\n",
" <td>7</td>\n",
" <td>19</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" </tr>\n",
" <tr>\n",
" <th>1</th>\n",
" <td>1021</td>\n",
" <td>1</td>\n",
" <td>0.5</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>1</td>\n",
" <td>53</td>\n",
" <td>0.7</td>\n",
" <td>136</td>\n",
" <td>3</td>\n",
" <td>6</td>\n",
" <td>905</td>\n",
" <td>1988</td>\n",
" <td>2631</td>\n",
" <td>17</td>\n",
" <td>3</td>\n",
" <td>7</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2</th>\n",
" <td>563</td>\n",
" <td>1</td>\n",
" <td>0.5</td>\n",
" <td>1</td>\n",
" <td>2</td>\n",
" <td>1</td>\n",
" <td>41</td>\n",
" <td>0.9</td>\n",
" <td>145</td>\n",
" <td>5</td>\n",
" <td>6</td>\n",
" <td>1263</td>\n",
" <td>1716</td>\n",
" <td>2603</td>\n",
" <td>11</td>\n",
" <td>2</td>\n",
" <td>9</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>3</th>\n",
" <td>615</td>\n",
" <td>1</td>\n",
" <td>2.5</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" <td>10</td>\n",
" <td>0.8</td>\n",
" <td>131</td>\n",
" <td>6</td>\n",
" <td>9</td>\n",
" <td>1216</td>\n",
" <td>1786</td>\n",
" <td>2769</td>\n",
" <td>16</td>\n",
" <td>8</td>\n",
" <td>11</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" <td>0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>4</th>\n",
" <td>1821</td>\n",
" <td>1</td>\n",
" <td>1.2</td>\n",
" <td>0</td>\n",
" <td>13</td>\n",
" <td>1</td>\n",
" <td>44</td>\n",
" <td>0.6</td>\n",
" <td>141</td>\n",
" <td>2</td>\n",
" <td>14</td>\n",
" <td>1208</td>\n",
" <td>1212</td>\n",
" <td>1411</td>\n",
" <td>8</td>\n",
" <td>2</td>\n",
" <td>15</td>\n",
" <td>1</td>\n",
" <td>1</td>\n",
" <td>0</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" battery_power blue clock_speed dual_sim fc four_g int_memory m_dep \\\n",
"0 842 0 2.2 0 1 0 7 0.6 \n",
"1 1021 1 0.5 1 0 1 53 0.7 \n",
"2 563 1 0.5 1 2 1 41 0.9 \n",
"3 615 1 2.5 0 0 0 10 0.8 \n",
"4 1821 1 1.2 0 13 1 44 0.6 \n",
"\n",
" mobile_wt n_cores pc px_height px_width ram sc_h sc_w talk_time \\\n",
"0 188 2 2 20 756 2549 9 7 19 \n",
"1 136 3 6 905 1988 2631 17 3 7 \n",
"2 145 5 6 1263 1716 2603 11 2 9 \n",
"3 131 6 9 1216 1786 2769 16 8 11 \n",
"4 141 2 14 1208 1212 1411 8 2 15 \n",
"\n",
" three_g touch_screen wifi \n",
"0 0 0 1 \n",
"1 1 1 0 \n",
"2 1 1 0 \n",
"3 1 0 0 \n",
"4 1 1 0 "
]
},
"metadata": {},
"output_type": "display_data"
},
{
"data": {
"text/plain": [
"array([[ 1.38919326, 1.011314 , -1.25918898, ..., -1.78870765,\n",
" -1.00878862, -1.02532046],\n",
" [ 0.07840603, 1.011314 , -1.25918898, ..., -1.78870765,\n",
" -1.00878862, 0.97530483],\n",
" [-1.02457347, -0.98881258, 1.18747125, ..., 0.55906285,\n",
" 0.99128795, 0.97530483],\n",
" ...,\n",
" [ 1.10374308, -0.98881258, 0.5758062 , ..., 0.55906285,\n",
" 0.99128795, 0.97530483],\n",
" [-1.21867959, 1.011314 , 1.43213728, ..., 0.55906285,\n",
" -1.00878862, -1.02532046],\n",
" [-0.39429947, -0.98881258, 1.6768033 , ..., 0.55906285,\n",
" -1.00878862, -1.02532046]], shape=(1600, 20))"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"from sklearn.model_selection import train_test_split\n",
"from sklearn.preprocessing import StandardScaler\n",
"\n",
"X = df.drop('price_range', axis=1)\n",
"y = df['price_range']\n",
"\n",
"X_train, X_test, y_train, y_test = train_test_split(\n",
" X, y, test_size=0.2, random_state=42, stratify=y\n",
")\n",
"\n",
"display(X.head())\n",
"\n",
"scaler = StandardScaler() # С minmax хуже (x - mean) / std\n",
"X_train_scaled = scaler.fit_transform(X_train)\n",
"X_test_scaled = scaler.transform(X_test)\n",
"\n",
"display(X_train_scaled)\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Задание 2\n",
"\n",
"Реализуйте с алгоритм логистической регрессии для многоклассовой классификации."
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<style>#sk-container-id-7 {\n",
" /* Definition of color scheme common for light and dark mode */\n",
" --sklearn-color-text: #000;\n",
" --sklearn-color-text-muted: #666;\n",
" --sklearn-color-line: gray;\n",
" /* Definition of color scheme for unfitted estimators */\n",
" --sklearn-color-unfitted-level-0: #fff5e6;\n",
" --sklearn-color-unfitted-level-1: #f6e4d2;\n",
" --sklearn-color-unfitted-level-2: #ffe0b3;\n",
" --sklearn-color-unfitted-level-3: chocolate;\n",
" /* Definition of color scheme for fitted estimators */\n",
" --sklearn-color-fitted-level-0: #f0f8ff;\n",
" --sklearn-color-fitted-level-1: #d4ebff;\n",
" --sklearn-color-fitted-level-2: #b3dbfd;\n",
" --sklearn-color-fitted-level-3: cornflowerblue;\n",
"\n",
" /* Specific color for light theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-icon: #696969;\n",
"\n",
" @media (prefers-color-scheme: dark) {\n",
" /* Redefinition of color scheme for dark theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-icon: #878787;\n",
" }\n",
"}\n",
"\n",
"#sk-container-id-7 {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"#sk-container-id-7 pre {\n",
" padding: 0;\n",
"}\n",
"\n",
"#sk-container-id-7 input.sk-hidden--visually {\n",
" border: 0;\n",
" clip: rect(1px 1px 1px 1px);\n",
" clip: rect(1px, 1px, 1px, 1px);\n",
" height: 1px;\n",
" margin: -1px;\n",
" overflow: hidden;\n",
" padding: 0;\n",
" position: absolute;\n",
" width: 1px;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-dashed-wrapped {\n",
" border: 1px dashed var(--sklearn-color-line);\n",
" margin: 0 0.4em 0.5em 0.4em;\n",
" box-sizing: border-box;\n",
" padding-bottom: 0.4em;\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-container {\n",
" /* jupyter's `normalize.less` sets `[hidden] { display: none; }`\n",
" but bootstrap.min.css set `[hidden] { display: none !important; }`\n",
" so we also need the `!important` here to be able to override the\n",
" default hidden behavior on the sphinx rendered scikit-learn.org.\n",
" See: https://github.com/scikit-learn/scikit-learn/issues/21755 */\n",
" display: inline-block !important;\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-text-repr-fallback {\n",
" display: none;\n",
"}\n",
"\n",
"div.sk-parallel-item,\n",
"div.sk-serial,\n",
"div.sk-item {\n",
" /* draw centered vertical line to link estimators */\n",
" background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background));\n",
" background-size: 2px 100%;\n",
" background-repeat: no-repeat;\n",
" background-position: center center;\n",
"}\n",
"\n",
"/* Parallel-specific style estimator block */\n",
"\n",
"#sk-container-id-7 div.sk-parallel-item::after {\n",
" content: \"\";\n",
" width: 100%;\n",
" border-bottom: 2px solid var(--sklearn-color-text-on-default-background);\n",
" flex-grow: 1;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-parallel {\n",
" display: flex;\n",
" align-items: stretch;\n",
" justify-content: center;\n",
" background-color: var(--sklearn-color-background);\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-parallel-item {\n",
" display: flex;\n",
" flex-direction: column;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-parallel-item:first-child::after {\n",
" align-self: flex-end;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-parallel-item:last-child::after {\n",
" align-self: flex-start;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-parallel-item:only-child::after {\n",
" width: 0;\n",
"}\n",
"\n",
"/* Serial-specific style estimator block */\n",
"\n",
"#sk-container-id-7 div.sk-serial {\n",
" display: flex;\n",
" flex-direction: column;\n",
" align-items: center;\n",
" background-color: var(--sklearn-color-background);\n",
" padding-right: 1em;\n",
" padding-left: 1em;\n",
"}\n",
"\n",
"\n",
"/* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is\n",
"clickable and can be expanded/collapsed.\n",
"- Pipeline and ColumnTransformer use this feature and define the default style\n",
"- Estimators will overwrite some part of the style using the `sk-estimator` class\n",
"*/\n",
"\n",
"/* Pipeline and ColumnTransformer style (default) */\n",
"\n",
"#sk-container-id-7 div.sk-toggleable {\n",
" /* Default theme specific background. It is overwritten whether we have a\n",
" specific estimator or a Pipeline/ColumnTransformer */\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"/* Toggleable label */\n",
"#sk-container-id-7 label.sk-toggleable__label {\n",
" cursor: pointer;\n",
" display: flex;\n",
" width: 100%;\n",
" margin-bottom: 0;\n",
" padding: 0.5em;\n",
" box-sizing: border-box;\n",
" text-align: center;\n",
" align-items: start;\n",
" justify-content: space-between;\n",
" gap: 0.5em;\n",
"}\n",
"\n",
"#sk-container-id-7 label.sk-toggleable__label .caption {\n",
" font-size: 0.6rem;\n",
" font-weight: lighter;\n",
" color: var(--sklearn-color-text-muted);\n",
"}\n",
"\n",
"#sk-container-id-7 label.sk-toggleable__label-arrow:before {\n",
" /* Arrow on the left of the label */\n",
" content: \"▸\";\n",
" float: left;\n",
" margin-right: 0.25em;\n",
" color: var(--sklearn-color-icon);\n",
"}\n",
"\n",
"#sk-container-id-7 label.sk-toggleable__label-arrow:hover:before {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"/* Toggleable content - dropdown */\n",
"\n",
"#sk-container-id-7 div.sk-toggleable__content {\n",
" display: none;\n",
" text-align: left;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-toggleable__content.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-toggleable__content pre {\n",
" margin: 0.2em;\n",
" border-radius: 0.25em;\n",
" color: var(--sklearn-color-text);\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-toggleable__content.fitted pre {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-7 input.sk-toggleable__control:checked~div.sk-toggleable__content {\n",
" /* Expand drop-down */\n",
" display: block;\n",
" width: 100%;\n",
" overflow: visible;\n",
"}\n",
"\n",
"#sk-container-id-7 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before {\n",
" content: \"▾\";\n",
"}\n",
"\n",
"/* Pipeline/ColumnTransformer-specific style */\n",
"\n",
"#sk-container-id-7 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator-specific style */\n",
"\n",
"/* Colorize estimator box */\n",
"#sk-container-id-7 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-label label.sk-toggleable__label,\n",
"#sk-container-id-7 div.sk-label label {\n",
" /* The background is the default theme color */\n",
" color: var(--sklearn-color-text-on-default-background);\n",
"}\n",
"\n",
"/* On hover, darken the color of the background */\n",
"#sk-container-id-7 div.sk-label:hover label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"/* Label box, darken color on hover, fitted */\n",
"#sk-container-id-7 div.sk-label.fitted:hover label.sk-toggleable__label.fitted {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator label */\n",
"\n",
"#sk-container-id-7 div.sk-label label {\n",
" font-family: monospace;\n",
" font-weight: bold;\n",
" display: inline-block;\n",
" line-height: 1.2em;\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-label-container {\n",
" text-align: center;\n",
"}\n",
"\n",
"/* Estimator-specific */\n",
"#sk-container-id-7 div.sk-estimator {\n",
" font-family: monospace;\n",
" border: 1px dotted var(--sklearn-color-border-box);\n",
" border-radius: 0.25em;\n",
" box-sizing: border-box;\n",
" margin-bottom: 0.5em;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-estimator.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"/* on hover */\n",
"#sk-container-id-7 div.sk-estimator:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-7 div.sk-estimator.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Specification for estimator info (e.g. \"i\" and \"?\") */\n",
"\n",
"/* Common style for \"i\" and \"?\" */\n",
"\n",
".sk-estimator-doc-link,\n",
"a:link.sk-estimator-doc-link,\n",
"a:visited.sk-estimator-doc-link {\n",
" float: right;\n",
" font-size: smaller;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1em;\n",
" height: 1em;\n",
" width: 1em;\n",
" text-decoration: none !important;\n",
" margin-left: 0.5em;\n",
" text-align: center;\n",
" /* unfitted */\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted,\n",
"a:link.sk-estimator-doc-link.fitted,\n",
"a:visited.sk-estimator-doc-link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"div.sk-estimator:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"/* Span, style for the box shown on hovering the info icon */\n",
".sk-estimator-doc-link span {\n",
" display: none;\n",
" z-index: 9999;\n",
" position: relative;\n",
" font-weight: normal;\n",
" right: .2ex;\n",
" padding: .5ex;\n",
" margin: .5ex;\n",
" width: min-content;\n",
" min-width: 20ex;\n",
" max-width: 50ex;\n",
" color: var(--sklearn-color-text);\n",
" box-shadow: 2pt 2pt 4pt #999;\n",
" /* unfitted */\n",
" background: var(--sklearn-color-unfitted-level-0);\n",
" border: .5pt solid var(--sklearn-color-unfitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted span {\n",
" /* fitted */\n",
" background: var(--sklearn-color-fitted-level-0);\n",
" border: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link:hover span {\n",
" display: block;\n",
"}\n",
"\n",
"/* \"?\"-specific style due to the `<a>` HTML tag */\n",
"\n",
"#sk-container-id-7 a.estimator_doc_link {\n",
" float: right;\n",
" font-size: 1rem;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1rem;\n",
" height: 1rem;\n",
" width: 1rem;\n",
" text-decoration: none;\n",
" /* unfitted */\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
"}\n",
"\n",
"#sk-container-id-7 a.estimator_doc_link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"#sk-container-id-7 a.estimator_doc_link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"#sk-container-id-7 a.estimator_doc_link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".estimator-table summary {\n",
" padding: .5rem;\n",
" font-family: monospace;\n",
" cursor: pointer;\n",
"}\n",
"\n",
".estimator-table details[open] {\n",
" padding-left: 0.1rem;\n",
" padding-right: 0.1rem;\n",
" padding-bottom: 0.3rem;\n",
"}\n",
"\n",
".estimator-table .parameters-table {\n",
" margin-left: auto !important;\n",
" margin-right: auto !important;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(odd) {\n",
" background-color: #fff;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(even) {\n",
" background-color: #f6f6f6;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:hover {\n",
" background-color: #e0e0e0;\n",
"}\n",
"\n",
".estimator-table table td {\n",
" border: 1px solid rgba(106, 105, 104, 0.232);\n",
"}\n",
"\n",
".user-set td {\n",
" color:rgb(255, 94, 0);\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td.value pre {\n",
" color:rgb(255, 94, 0) !important;\n",
" background-color: transparent !important;\n",
"}\n",
"\n",
".default td {\n",
" color: black;\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td i,\n",
".default td i {\n",
" color: black;\n",
"}\n",
"\n",
".copy-paste-icon {\n",
" background-image: url(data:image/svg+xml;base64,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);\n",
" background-repeat: no-repeat;\n",
" background-size: 14px 14px;\n",
" background-position: 0;\n",
" display: inline-block;\n",
" width: 14px;\n",
" height: 14px;\n",
" cursor: pointer;\n",
"}\n",
"</style><body><div id=\"sk-container-id-7\" class=\"sk-top-container\"><div class=\"sk-text-repr-fallback\"><pre>LogisticRegression(max_iter=1000, random_state=42)</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class=\"sk-container\" hidden><div class=\"sk-item\"><div class=\"sk-estimator fitted sk-toggleable\"><input class=\"sk-toggleable__control sk-hidden--visually\" id=\"sk-estimator-id-7\" type=\"checkbox\" checked><label for=\"sk-estimator-id-7\" class=\"sk-toggleable__label fitted sk-toggleable__label-arrow\"><div><div>LogisticRegression</div></div><div><a class=\"sk-estimator-doc-link fitted\" rel=\"noreferrer\" target=\"_blank\" href=\"https://scikit-learn.org/1.7/modules/generated/sklearn.linear_model.LogisticRegression.html\">?<span>Documentation for LogisticRegression</span></a><span class=\"sk-estimator-doc-link fitted\">i<span>Fitted</span></span></div></label><div class=\"sk-toggleable__content fitted\" data-param-prefix=\"\">\n",
" <div class=\"estimator-table\">\n",
" <details>\n",
" <summary>Parameters</summary>\n",
" <table class=\"parameters-table\">\n",
" <tbody>\n",
" \n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('penalty',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">penalty&nbsp;</td>\n",
" <td class=\"value\">&#x27;l2&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('dual',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">dual&nbsp;</td>\n",
" <td class=\"value\">False</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('tol',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">tol&nbsp;</td>\n",
" <td class=\"value\">0.0001</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('C',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">C&nbsp;</td>\n",
" <td class=\"value\">1.0</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('fit_intercept',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">fit_intercept&nbsp;</td>\n",
" <td class=\"value\">True</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('intercept_scaling',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">intercept_scaling&nbsp;</td>\n",
" <td class=\"value\">1</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('class_weight',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">class_weight&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"user-set\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('random_state',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">random_state&nbsp;</td>\n",
" <td class=\"value\">42</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('solver',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">solver&nbsp;</td>\n",
" <td class=\"value\">&#x27;lbfgs&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"user-set\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('max_iter',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">max_iter&nbsp;</td>\n",
" <td class=\"value\">1000</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('multi_class',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">multi_class&nbsp;</td>\n",
" <td class=\"value\">&#x27;deprecated&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('verbose',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">verbose&nbsp;</td>\n",
" <td class=\"value\">0</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('warm_start',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">warm_start&nbsp;</td>\n",
" <td class=\"value\">False</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('n_jobs',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">n_jobs&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('l1_ratio',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">l1_ratio&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
" </tbody>\n",
" </table>\n",
" </details>\n",
" </div>\n",
" </div></div></div></div></div><script>function copyToClipboard(text, element) {\n",
" // Get the parameter prefix from the closest toggleable content\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${text}` : text;\n",
"\n",
" const originalStyle = element.style;\n",
" const computedStyle = window.getComputedStyle(element);\n",
" const originalWidth = computedStyle.width;\n",
" const originalHTML = element.innerHTML.replace('Copied!', '');\n",
"\n",
" navigator.clipboard.writeText(fullParamName)\n",
" .then(() => {\n",
" element.style.width = originalWidth;\n",
" element.style.color = 'green';\n",
" element.innerHTML = \"Copied!\";\n",
"\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" })\n",
" .catch(err => {\n",
" console.error('Failed to copy:', err);\n",
" element.style.color = 'red';\n",
" element.innerHTML = \"Failed!\";\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" });\n",
" return false;\n",
"}\n",
"\n",
"document.querySelectorAll('.fa-regular.fa-copy').forEach(function(element) {\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const paramName = element.parentElement.nextElementSibling.textContent.trim();\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${paramName}` : paramName;\n",
"\n",
" element.setAttribute('title', fullParamName);\n",
"});\n",
"</script></body>"
],
"text/plain": [
"LogisticRegression(max_iter=1000, random_state=42)"
]
},
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from sklearn.linear_model import LogisticRegression\n",
"\n",
"model = LogisticRegression(\n",
" max_iter=1000,\n",
" random_state=42\n",
")\n",
"\n",
"model.fit(X_train_scaled, y_train)"
]
},
{
"cell_type": "code",
"execution_count": 21,
"metadata": {
"id": "nwDuPoSHlKDP"
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Точность модели: 0.965\n",
"[[98 2 0 0]\n",
" [ 1 96 3 0]\n",
" [ 0 2 94 4]\n",
" [ 0 0 2 98]]\n"
]
}
],
"source": [
"from sklearn.metrics import confusion_matrix, accuracy_score\n",
"\n",
"y_pred = model.predict(X_test_scaled)\n",
"\n",
"print(\"Точность модели:\", accuracy_score(y_test, y_pred))\n",
"print(confusion_matrix(y_test, y_pred))"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "eWc9D163lKPB"
},
"source": [
"### Задание 3\n",
"\n",
"Реализуйте алгоритм Наивный Байес."
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {
"id": "LRuuj9PDli5A"
},
"outputs": [
{
"data": {
"text/html": [
"<style>#sk-container-id-5 {\n",
" /* Definition of color scheme common for light and dark mode */\n",
" --sklearn-color-text: #000;\n",
" --sklearn-color-text-muted: #666;\n",
" --sklearn-color-line: gray;\n",
" /* Definition of color scheme for unfitted estimators */\n",
" --sklearn-color-unfitted-level-0: #fff5e6;\n",
" --sklearn-color-unfitted-level-1: #f6e4d2;\n",
" --sklearn-color-unfitted-level-2: #ffe0b3;\n",
" --sklearn-color-unfitted-level-3: chocolate;\n",
" /* Definition of color scheme for fitted estimators */\n",
" --sklearn-color-fitted-level-0: #f0f8ff;\n",
" --sklearn-color-fitted-level-1: #d4ebff;\n",
" --sklearn-color-fitted-level-2: #b3dbfd;\n",
" --sklearn-color-fitted-level-3: cornflowerblue;\n",
"\n",
" /* Specific color for light theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-icon: #696969;\n",
"\n",
" @media (prefers-color-scheme: dark) {\n",
" /* Redefinition of color scheme for dark theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-icon: #878787;\n",
" }\n",
"}\n",
"\n",
"#sk-container-id-5 {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"#sk-container-id-5 pre {\n",
" padding: 0;\n",
"}\n",
"\n",
"#sk-container-id-5 input.sk-hidden--visually {\n",
" border: 0;\n",
" clip: rect(1px 1px 1px 1px);\n",
" clip: rect(1px, 1px, 1px, 1px);\n",
" height: 1px;\n",
" margin: -1px;\n",
" overflow: hidden;\n",
" padding: 0;\n",
" position: absolute;\n",
" width: 1px;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-dashed-wrapped {\n",
" border: 1px dashed var(--sklearn-color-line);\n",
" margin: 0 0.4em 0.5em 0.4em;\n",
" box-sizing: border-box;\n",
" padding-bottom: 0.4em;\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-container {\n",
" /* jupyter's `normalize.less` sets `[hidden] { display: none; }`\n",
" but bootstrap.min.css set `[hidden] { display: none !important; }`\n",
" so we also need the `!important` here to be able to override the\n",
" default hidden behavior on the sphinx rendered scikit-learn.org.\n",
" See: https://github.com/scikit-learn/scikit-learn/issues/21755 */\n",
" display: inline-block !important;\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-text-repr-fallback {\n",
" display: none;\n",
"}\n",
"\n",
"div.sk-parallel-item,\n",
"div.sk-serial,\n",
"div.sk-item {\n",
" /* draw centered vertical line to link estimators */\n",
" background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background));\n",
" background-size: 2px 100%;\n",
" background-repeat: no-repeat;\n",
" background-position: center center;\n",
"}\n",
"\n",
"/* Parallel-specific style estimator block */\n",
"\n",
"#sk-container-id-5 div.sk-parallel-item::after {\n",
" content: \"\";\n",
" width: 100%;\n",
" border-bottom: 2px solid var(--sklearn-color-text-on-default-background);\n",
" flex-grow: 1;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-parallel {\n",
" display: flex;\n",
" align-items: stretch;\n",
" justify-content: center;\n",
" background-color: var(--sklearn-color-background);\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-parallel-item {\n",
" display: flex;\n",
" flex-direction: column;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-parallel-item:first-child::after {\n",
" align-self: flex-end;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-parallel-item:last-child::after {\n",
" align-self: flex-start;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-parallel-item:only-child::after {\n",
" width: 0;\n",
"}\n",
"\n",
"/* Serial-specific style estimator block */\n",
"\n",
"#sk-container-id-5 div.sk-serial {\n",
" display: flex;\n",
" flex-direction: column;\n",
" align-items: center;\n",
" background-color: var(--sklearn-color-background);\n",
" padding-right: 1em;\n",
" padding-left: 1em;\n",
"}\n",
"\n",
"\n",
"/* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is\n",
"clickable and can be expanded/collapsed.\n",
"- Pipeline and ColumnTransformer use this feature and define the default style\n",
"- Estimators will overwrite some part of the style using the `sk-estimator` class\n",
"*/\n",
"\n",
"/* Pipeline and ColumnTransformer style (default) */\n",
"\n",
"#sk-container-id-5 div.sk-toggleable {\n",
" /* Default theme specific background. It is overwritten whether we have a\n",
" specific estimator or a Pipeline/ColumnTransformer */\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"/* Toggleable label */\n",
"#sk-container-id-5 label.sk-toggleable__label {\n",
" cursor: pointer;\n",
" display: flex;\n",
" width: 100%;\n",
" margin-bottom: 0;\n",
" padding: 0.5em;\n",
" box-sizing: border-box;\n",
" text-align: center;\n",
" align-items: start;\n",
" justify-content: space-between;\n",
" gap: 0.5em;\n",
"}\n",
"\n",
"#sk-container-id-5 label.sk-toggleable__label .caption {\n",
" font-size: 0.6rem;\n",
" font-weight: lighter;\n",
" color: var(--sklearn-color-text-muted);\n",
"}\n",
"\n",
"#sk-container-id-5 label.sk-toggleable__label-arrow:before {\n",
" /* Arrow on the left of the label */\n",
" content: \"▸\";\n",
" float: left;\n",
" margin-right: 0.25em;\n",
" color: var(--sklearn-color-icon);\n",
"}\n",
"\n",
"#sk-container-id-5 label.sk-toggleable__label-arrow:hover:before {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"/* Toggleable content - dropdown */\n",
"\n",
"#sk-container-id-5 div.sk-toggleable__content {\n",
" display: none;\n",
" text-align: left;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-toggleable__content.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-toggleable__content pre {\n",
" margin: 0.2em;\n",
" border-radius: 0.25em;\n",
" color: var(--sklearn-color-text);\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-toggleable__content.fitted pre {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-5 input.sk-toggleable__control:checked~div.sk-toggleable__content {\n",
" /* Expand drop-down */\n",
" display: block;\n",
" width: 100%;\n",
" overflow: visible;\n",
"}\n",
"\n",
"#sk-container-id-5 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before {\n",
" content: \"▾\";\n",
"}\n",
"\n",
"/* Pipeline/ColumnTransformer-specific style */\n",
"\n",
"#sk-container-id-5 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator-specific style */\n",
"\n",
"/* Colorize estimator box */\n",
"#sk-container-id-5 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-label label.sk-toggleable__label,\n",
"#sk-container-id-5 div.sk-label label {\n",
" /* The background is the default theme color */\n",
" color: var(--sklearn-color-text-on-default-background);\n",
"}\n",
"\n",
"/* On hover, darken the color of the background */\n",
"#sk-container-id-5 div.sk-label:hover label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"/* Label box, darken color on hover, fitted */\n",
"#sk-container-id-5 div.sk-label.fitted:hover label.sk-toggleable__label.fitted {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator label */\n",
"\n",
"#sk-container-id-5 div.sk-label label {\n",
" font-family: monospace;\n",
" font-weight: bold;\n",
" display: inline-block;\n",
" line-height: 1.2em;\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-label-container {\n",
" text-align: center;\n",
"}\n",
"\n",
"/* Estimator-specific */\n",
"#sk-container-id-5 div.sk-estimator {\n",
" font-family: monospace;\n",
" border: 1px dotted var(--sklearn-color-border-box);\n",
" border-radius: 0.25em;\n",
" box-sizing: border-box;\n",
" margin-bottom: 0.5em;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-estimator.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"/* on hover */\n",
"#sk-container-id-5 div.sk-estimator:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-5 div.sk-estimator.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Specification for estimator info (e.g. \"i\" and \"?\") */\n",
"\n",
"/* Common style for \"i\" and \"?\" */\n",
"\n",
".sk-estimator-doc-link,\n",
"a:link.sk-estimator-doc-link,\n",
"a:visited.sk-estimator-doc-link {\n",
" float: right;\n",
" font-size: smaller;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1em;\n",
" height: 1em;\n",
" width: 1em;\n",
" text-decoration: none !important;\n",
" margin-left: 0.5em;\n",
" text-align: center;\n",
" /* unfitted */\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted,\n",
"a:link.sk-estimator-doc-link.fitted,\n",
"a:visited.sk-estimator-doc-link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"div.sk-estimator:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"/* Span, style for the box shown on hovering the info icon */\n",
".sk-estimator-doc-link span {\n",
" display: none;\n",
" z-index: 9999;\n",
" position: relative;\n",
" font-weight: normal;\n",
" right: .2ex;\n",
" padding: .5ex;\n",
" margin: .5ex;\n",
" width: min-content;\n",
" min-width: 20ex;\n",
" max-width: 50ex;\n",
" color: var(--sklearn-color-text);\n",
" box-shadow: 2pt 2pt 4pt #999;\n",
" /* unfitted */\n",
" background: var(--sklearn-color-unfitted-level-0);\n",
" border: .5pt solid var(--sklearn-color-unfitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted span {\n",
" /* fitted */\n",
" background: var(--sklearn-color-fitted-level-0);\n",
" border: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link:hover span {\n",
" display: block;\n",
"}\n",
"\n",
"/* \"?\"-specific style due to the `<a>` HTML tag */\n",
"\n",
"#sk-container-id-5 a.estimator_doc_link {\n",
" float: right;\n",
" font-size: 1rem;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1rem;\n",
" height: 1rem;\n",
" width: 1rem;\n",
" text-decoration: none;\n",
" /* unfitted */\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
"}\n",
"\n",
"#sk-container-id-5 a.estimator_doc_link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"#sk-container-id-5 a.estimator_doc_link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"#sk-container-id-5 a.estimator_doc_link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".estimator-table summary {\n",
" padding: .5rem;\n",
" font-family: monospace;\n",
" cursor: pointer;\n",
"}\n",
"\n",
".estimator-table details[open] {\n",
" padding-left: 0.1rem;\n",
" padding-right: 0.1rem;\n",
" padding-bottom: 0.3rem;\n",
"}\n",
"\n",
".estimator-table .parameters-table {\n",
" margin-left: auto !important;\n",
" margin-right: auto !important;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(odd) {\n",
" background-color: #fff;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(even) {\n",
" background-color: #f6f6f6;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:hover {\n",
" background-color: #e0e0e0;\n",
"}\n",
"\n",
".estimator-table table td {\n",
" border: 1px solid rgba(106, 105, 104, 0.232);\n",
"}\n",
"\n",
".user-set td {\n",
" color:rgb(255, 94, 0);\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td.value pre {\n",
" color:rgb(255, 94, 0) !important;\n",
" background-color: transparent !important;\n",
"}\n",
"\n",
".default td {\n",
" color: black;\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td i,\n",
".default td i {\n",
" color: black;\n",
"}\n",
"\n",
".copy-paste-icon {\n",
" background-image: url(data:image/svg+xml;base64,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);\n",
" background-repeat: no-repeat;\n",
" background-size: 14px 14px;\n",
" background-position: 0;\n",
" display: inline-block;\n",
" width: 14px;\n",
" height: 14px;\n",
" cursor: pointer;\n",
"}\n",
"</style><body><div id=\"sk-container-id-5\" class=\"sk-top-container\"><div class=\"sk-text-repr-fallback\"><pre>GaussianNB()</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class=\"sk-container\" hidden><div class=\"sk-item\"><div class=\"sk-estimator fitted sk-toggleable\"><input class=\"sk-toggleable__control sk-hidden--visually\" id=\"sk-estimator-id-5\" type=\"checkbox\" checked><label for=\"sk-estimator-id-5\" class=\"sk-toggleable__label fitted sk-toggleable__label-arrow\"><div><div>GaussianNB</div></div><div><a class=\"sk-estimator-doc-link fitted\" rel=\"noreferrer\" target=\"_blank\" href=\"https://scikit-learn.org/1.7/modules/generated/sklearn.naive_bayes.GaussianNB.html\">?<span>Documentation for GaussianNB</span></a><span class=\"sk-estimator-doc-link fitted\">i<span>Fitted</span></span></div></label><div class=\"sk-toggleable__content fitted\" data-param-prefix=\"\">\n",
" <div class=\"estimator-table\">\n",
" <details>\n",
" <summary>Parameters</summary>\n",
" <table class=\"parameters-table\">\n",
" <tbody>\n",
" \n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('priors',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">priors&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('var_smoothing',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">var_smoothing&nbsp;</td>\n",
" <td class=\"value\">1e-09</td>\n",
" </tr>\n",
" \n",
" </tbody>\n",
" </table>\n",
" </details>\n",
" </div>\n",
" </div></div></div></div></div><script>function copyToClipboard(text, element) {\n",
" // Get the parameter prefix from the closest toggleable content\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${text}` : text;\n",
"\n",
" const originalStyle = element.style;\n",
" const computedStyle = window.getComputedStyle(element);\n",
" const originalWidth = computedStyle.width;\n",
" const originalHTML = element.innerHTML.replace('Copied!', '');\n",
"\n",
" navigator.clipboard.writeText(fullParamName)\n",
" .then(() => {\n",
" element.style.width = originalWidth;\n",
" element.style.color = 'green';\n",
" element.innerHTML = \"Copied!\";\n",
"\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" })\n",
" .catch(err => {\n",
" console.error('Failed to copy:', err);\n",
" element.style.color = 'red';\n",
" element.innerHTML = \"Failed!\";\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" });\n",
" return false;\n",
"}\n",
"\n",
"document.querySelectorAll('.fa-regular.fa-copy').forEach(function(element) {\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const paramName = element.parentElement.nextElementSibling.textContent.trim();\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${paramName}` : paramName;\n",
"\n",
" element.setAttribute('title', fullParamName);\n",
"});\n",
"</script></body>"
],
"text/plain": [
"GaussianNB()"
]
},
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from sklearn.naive_bayes import GaussianNB\n",
"\n",
"model = GaussianNB()\n",
"\n",
"model.fit(X_train, y_train)"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {
"id": "amg6aqULlovg"
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Точность модели: 0.8100\n",
"[[90 10 0 0]\n",
" [ 7 69 24 0]\n",
" [ 0 18 73 9]\n",
" [ 0 0 8 92]]\n"
]
}
],
"source": [
"y_pred = model.predict(X_test)\n",
"\n",
"accuracy = accuracy_score(y_test, y_pred)\n",
"print(f\"Точность модели: {accuracy:.4f}\")\n",
"\n",
"print(confusion_matrix(y_test, y_pred))"
]
},
{
"cell_type": "markdown",
"metadata": {
"id": "RYFhErkHlmFV"
},
"source": [
"### Задание 4\n",
"\n",
"Реализуйте алгоритм kNN."
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {
"id": "fUQ70y9Plq9u"
},
"outputs": [
{
"data": {
"text/html": [
"<style>#sk-container-id-6 {\n",
" /* Definition of color scheme common for light and dark mode */\n",
" --sklearn-color-text: #000;\n",
" --sklearn-color-text-muted: #666;\n",
" --sklearn-color-line: gray;\n",
" /* Definition of color scheme for unfitted estimators */\n",
" --sklearn-color-unfitted-level-0: #fff5e6;\n",
" --sklearn-color-unfitted-level-1: #f6e4d2;\n",
" --sklearn-color-unfitted-level-2: #ffe0b3;\n",
" --sklearn-color-unfitted-level-3: chocolate;\n",
" /* Definition of color scheme for fitted estimators */\n",
" --sklearn-color-fitted-level-0: #f0f8ff;\n",
" --sklearn-color-fitted-level-1: #d4ebff;\n",
" --sklearn-color-fitted-level-2: #b3dbfd;\n",
" --sklearn-color-fitted-level-3: cornflowerblue;\n",
"\n",
" /* Specific color for light theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, white)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, black)));\n",
" --sklearn-color-icon: #696969;\n",
"\n",
" @media (prefers-color-scheme: dark) {\n",
" /* Redefinition of color scheme for dark theme */\n",
" --sklearn-color-text-on-default-background: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-background: var(--sg-background-color, var(--theme-background, var(--jp-layout-color0, #111)));\n",
" --sklearn-color-border-box: var(--sg-text-color, var(--theme-code-foreground, var(--jp-content-font-color1, white)));\n",
" --sklearn-color-icon: #878787;\n",
" }\n",
"}\n",
"\n",
"#sk-container-id-6 {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"#sk-container-id-6 pre {\n",
" padding: 0;\n",
"}\n",
"\n",
"#sk-container-id-6 input.sk-hidden--visually {\n",
" border: 0;\n",
" clip: rect(1px 1px 1px 1px);\n",
" clip: rect(1px, 1px, 1px, 1px);\n",
" height: 1px;\n",
" margin: -1px;\n",
" overflow: hidden;\n",
" padding: 0;\n",
" position: absolute;\n",
" width: 1px;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-dashed-wrapped {\n",
" border: 1px dashed var(--sklearn-color-line);\n",
" margin: 0 0.4em 0.5em 0.4em;\n",
" box-sizing: border-box;\n",
" padding-bottom: 0.4em;\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-container {\n",
" /* jupyter's `normalize.less` sets `[hidden] { display: none; }`\n",
" but bootstrap.min.css set `[hidden] { display: none !important; }`\n",
" so we also need the `!important` here to be able to override the\n",
" default hidden behavior on the sphinx rendered scikit-learn.org.\n",
" See: https://github.com/scikit-learn/scikit-learn/issues/21755 */\n",
" display: inline-block !important;\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-text-repr-fallback {\n",
" display: none;\n",
"}\n",
"\n",
"div.sk-parallel-item,\n",
"div.sk-serial,\n",
"div.sk-item {\n",
" /* draw centered vertical line to link estimators */\n",
" background-image: linear-gradient(var(--sklearn-color-text-on-default-background), var(--sklearn-color-text-on-default-background));\n",
" background-size: 2px 100%;\n",
" background-repeat: no-repeat;\n",
" background-position: center center;\n",
"}\n",
"\n",
"/* Parallel-specific style estimator block */\n",
"\n",
"#sk-container-id-6 div.sk-parallel-item::after {\n",
" content: \"\";\n",
" width: 100%;\n",
" border-bottom: 2px solid var(--sklearn-color-text-on-default-background);\n",
" flex-grow: 1;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-parallel {\n",
" display: flex;\n",
" align-items: stretch;\n",
" justify-content: center;\n",
" background-color: var(--sklearn-color-background);\n",
" position: relative;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-parallel-item {\n",
" display: flex;\n",
" flex-direction: column;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-parallel-item:first-child::after {\n",
" align-self: flex-end;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-parallel-item:last-child::after {\n",
" align-self: flex-start;\n",
" width: 50%;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-parallel-item:only-child::after {\n",
" width: 0;\n",
"}\n",
"\n",
"/* Serial-specific style estimator block */\n",
"\n",
"#sk-container-id-6 div.sk-serial {\n",
" display: flex;\n",
" flex-direction: column;\n",
" align-items: center;\n",
" background-color: var(--sklearn-color-background);\n",
" padding-right: 1em;\n",
" padding-left: 1em;\n",
"}\n",
"\n",
"\n",
"/* Toggleable style: style used for estimator/Pipeline/ColumnTransformer box that is\n",
"clickable and can be expanded/collapsed.\n",
"- Pipeline and ColumnTransformer use this feature and define the default style\n",
"- Estimators will overwrite some part of the style using the `sk-estimator` class\n",
"*/\n",
"\n",
"/* Pipeline and ColumnTransformer style (default) */\n",
"\n",
"#sk-container-id-6 div.sk-toggleable {\n",
" /* Default theme specific background. It is overwritten whether we have a\n",
" specific estimator or a Pipeline/ColumnTransformer */\n",
" background-color: var(--sklearn-color-background);\n",
"}\n",
"\n",
"/* Toggleable label */\n",
"#sk-container-id-6 label.sk-toggleable__label {\n",
" cursor: pointer;\n",
" display: flex;\n",
" width: 100%;\n",
" margin-bottom: 0;\n",
" padding: 0.5em;\n",
" box-sizing: border-box;\n",
" text-align: center;\n",
" align-items: start;\n",
" justify-content: space-between;\n",
" gap: 0.5em;\n",
"}\n",
"\n",
"#sk-container-id-6 label.sk-toggleable__label .caption {\n",
" font-size: 0.6rem;\n",
" font-weight: lighter;\n",
" color: var(--sklearn-color-text-muted);\n",
"}\n",
"\n",
"#sk-container-id-6 label.sk-toggleable__label-arrow:before {\n",
" /* Arrow on the left of the label */\n",
" content: \"▸\";\n",
" float: left;\n",
" margin-right: 0.25em;\n",
" color: var(--sklearn-color-icon);\n",
"}\n",
"\n",
"#sk-container-id-6 label.sk-toggleable__label-arrow:hover:before {\n",
" color: var(--sklearn-color-text);\n",
"}\n",
"\n",
"/* Toggleable content - dropdown */\n",
"\n",
"#sk-container-id-6 div.sk-toggleable__content {\n",
" display: none;\n",
" text-align: left;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-toggleable__content.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-toggleable__content pre {\n",
" margin: 0.2em;\n",
" border-radius: 0.25em;\n",
" color: var(--sklearn-color-text);\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-toggleable__content.fitted pre {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-6 input.sk-toggleable__control:checked~div.sk-toggleable__content {\n",
" /* Expand drop-down */\n",
" display: block;\n",
" width: 100%;\n",
" overflow: visible;\n",
"}\n",
"\n",
"#sk-container-id-6 input.sk-toggleable__control:checked~label.sk-toggleable__label-arrow:before {\n",
" content: \"▾\";\n",
"}\n",
"\n",
"/* Pipeline/ColumnTransformer-specific style */\n",
"\n",
"#sk-container-id-6 div.sk-label input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-label.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator-specific style */\n",
"\n",
"/* Colorize estimator box */\n",
"#sk-container-id-6 div.sk-estimator input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-estimator.fitted input.sk-toggleable__control:checked~label.sk-toggleable__label {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-label label.sk-toggleable__label,\n",
"#sk-container-id-6 div.sk-label label {\n",
" /* The background is the default theme color */\n",
" color: var(--sklearn-color-text-on-default-background);\n",
"}\n",
"\n",
"/* On hover, darken the color of the background */\n",
"#sk-container-id-6 div.sk-label:hover label.sk-toggleable__label {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"/* Label box, darken color on hover, fitted */\n",
"#sk-container-id-6 div.sk-label.fitted:hover label.sk-toggleable__label.fitted {\n",
" color: var(--sklearn-color-text);\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Estimator label */\n",
"\n",
"#sk-container-id-6 div.sk-label label {\n",
" font-family: monospace;\n",
" font-weight: bold;\n",
" display: inline-block;\n",
" line-height: 1.2em;\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-label-container {\n",
" text-align: center;\n",
"}\n",
"\n",
"/* Estimator-specific */\n",
"#sk-container-id-6 div.sk-estimator {\n",
" font-family: monospace;\n",
" border: 1px dotted var(--sklearn-color-border-box);\n",
" border-radius: 0.25em;\n",
" box-sizing: border-box;\n",
" margin-bottom: 0.5em;\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-0);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-estimator.fitted {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-0);\n",
"}\n",
"\n",
"/* on hover */\n",
"#sk-container-id-6 div.sk-estimator:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-2);\n",
"}\n",
"\n",
"#sk-container-id-6 div.sk-estimator.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-2);\n",
"}\n",
"\n",
"/* Specification for estimator info (e.g. \"i\" and \"?\") */\n",
"\n",
"/* Common style for \"i\" and \"?\" */\n",
"\n",
".sk-estimator-doc-link,\n",
"a:link.sk-estimator-doc-link,\n",
"a:visited.sk-estimator-doc-link {\n",
" float: right;\n",
" font-size: smaller;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1em;\n",
" height: 1em;\n",
" width: 1em;\n",
" text-decoration: none !important;\n",
" margin-left: 0.5em;\n",
" text-align: center;\n",
" /* unfitted */\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted,\n",
"a:link.sk-estimator-doc-link.fitted,\n",
"a:visited.sk-estimator-doc-link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"div.sk-estimator:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link:hover,\n",
".sk-estimator-doc-link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"div.sk-estimator.fitted:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover,\n",
"div.sk-label-container:hover .sk-estimator-doc-link.fitted:hover,\n",
".sk-estimator-doc-link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"/* Span, style for the box shown on hovering the info icon */\n",
".sk-estimator-doc-link span {\n",
" display: none;\n",
" z-index: 9999;\n",
" position: relative;\n",
" font-weight: normal;\n",
" right: .2ex;\n",
" padding: .5ex;\n",
" margin: .5ex;\n",
" width: min-content;\n",
" min-width: 20ex;\n",
" max-width: 50ex;\n",
" color: var(--sklearn-color-text);\n",
" box-shadow: 2pt 2pt 4pt #999;\n",
" /* unfitted */\n",
" background: var(--sklearn-color-unfitted-level-0);\n",
" border: .5pt solid var(--sklearn-color-unfitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link.fitted span {\n",
" /* fitted */\n",
" background: var(--sklearn-color-fitted-level-0);\n",
" border: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".sk-estimator-doc-link:hover span {\n",
" display: block;\n",
"}\n",
"\n",
"/* \"?\"-specific style due to the `<a>` HTML tag */\n",
"\n",
"#sk-container-id-6 a.estimator_doc_link {\n",
" float: right;\n",
" font-size: 1rem;\n",
" line-height: 1em;\n",
" font-family: monospace;\n",
" background-color: var(--sklearn-color-background);\n",
" border-radius: 1rem;\n",
" height: 1rem;\n",
" width: 1rem;\n",
" text-decoration: none;\n",
" /* unfitted */\n",
" color: var(--sklearn-color-unfitted-level-1);\n",
" border: var(--sklearn-color-unfitted-level-1) 1pt solid;\n",
"}\n",
"\n",
"#sk-container-id-6 a.estimator_doc_link.fitted {\n",
" /* fitted */\n",
" border: var(--sklearn-color-fitted-level-1) 1pt solid;\n",
" color: var(--sklearn-color-fitted-level-1);\n",
"}\n",
"\n",
"/* On hover */\n",
"#sk-container-id-6 a.estimator_doc_link:hover {\n",
" /* unfitted */\n",
" background-color: var(--sklearn-color-unfitted-level-3);\n",
" color: var(--sklearn-color-background);\n",
" text-decoration: none;\n",
"}\n",
"\n",
"#sk-container-id-6 a.estimator_doc_link.fitted:hover {\n",
" /* fitted */\n",
" background-color: var(--sklearn-color-fitted-level-3);\n",
"}\n",
"\n",
".estimator-table summary {\n",
" padding: .5rem;\n",
" font-family: monospace;\n",
" cursor: pointer;\n",
"}\n",
"\n",
".estimator-table details[open] {\n",
" padding-left: 0.1rem;\n",
" padding-right: 0.1rem;\n",
" padding-bottom: 0.3rem;\n",
"}\n",
"\n",
".estimator-table .parameters-table {\n",
" margin-left: auto !important;\n",
" margin-right: auto !important;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(odd) {\n",
" background-color: #fff;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:nth-child(even) {\n",
" background-color: #f6f6f6;\n",
"}\n",
"\n",
".estimator-table .parameters-table tr:hover {\n",
" background-color: #e0e0e0;\n",
"}\n",
"\n",
".estimator-table table td {\n",
" border: 1px solid rgba(106, 105, 104, 0.232);\n",
"}\n",
"\n",
".user-set td {\n",
" color:rgb(255, 94, 0);\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td.value pre {\n",
" color:rgb(255, 94, 0) !important;\n",
" background-color: transparent !important;\n",
"}\n",
"\n",
".default td {\n",
" color: black;\n",
" text-align: left;\n",
"}\n",
"\n",
".user-set td i,\n",
".default td i {\n",
" color: black;\n",
"}\n",
"\n",
".copy-paste-icon {\n",
" background-image: url(data:image/svg+xml;base64,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);\n",
" background-repeat: no-repeat;\n",
" background-size: 14px 14px;\n",
" background-position: 0;\n",
" display: inline-block;\n",
" width: 14px;\n",
" height: 14px;\n",
" cursor: pointer;\n",
"}\n",
"</style><body><div id=\"sk-container-id-6\" class=\"sk-top-container\"><div class=\"sk-text-repr-fallback\"><pre>KNeighborsClassifier(n_neighbors=16)</pre><b>In a Jupyter environment, please rerun this cell to show the HTML representation or trust the notebook. <br />On GitHub, the HTML representation is unable to render, please try loading this page with nbviewer.org.</b></div><div class=\"sk-container\" hidden><div class=\"sk-item\"><div class=\"sk-estimator fitted sk-toggleable\"><input class=\"sk-toggleable__control sk-hidden--visually\" id=\"sk-estimator-id-6\" type=\"checkbox\" checked><label for=\"sk-estimator-id-6\" class=\"sk-toggleable__label fitted sk-toggleable__label-arrow\"><div><div>KNeighborsClassifier</div></div><div><a class=\"sk-estimator-doc-link fitted\" rel=\"noreferrer\" target=\"_blank\" href=\"https://scikit-learn.org/1.7/modules/generated/sklearn.neighbors.KNeighborsClassifier.html\">?<span>Documentation for KNeighborsClassifier</span></a><span class=\"sk-estimator-doc-link fitted\">i<span>Fitted</span></span></div></label><div class=\"sk-toggleable__content fitted\" data-param-prefix=\"\">\n",
" <div class=\"estimator-table\">\n",
" <details>\n",
" <summary>Parameters</summary>\n",
" <table class=\"parameters-table\">\n",
" <tbody>\n",
" \n",
" <tr class=\"user-set\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('n_neighbors',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">n_neighbors&nbsp;</td>\n",
" <td class=\"value\">16</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('weights',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">weights&nbsp;</td>\n",
" <td class=\"value\">&#x27;uniform&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('algorithm',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">algorithm&nbsp;</td>\n",
" <td class=\"value\">&#x27;auto&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('leaf_size',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">leaf_size&nbsp;</td>\n",
" <td class=\"value\">30</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('p',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">p&nbsp;</td>\n",
" <td class=\"value\">2</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('metric',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">metric&nbsp;</td>\n",
" <td class=\"value\">&#x27;minkowski&#x27;</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('metric_params',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">metric_params&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
"\n",
" <tr class=\"default\">\n",
" <td><i class=\"copy-paste-icon\"\n",
" onclick=\"copyToClipboard('n_jobs',\n",
" this.parentElement.nextElementSibling)\"\n",
" ></i></td>\n",
" <td class=\"param\">n_jobs&nbsp;</td>\n",
" <td class=\"value\">None</td>\n",
" </tr>\n",
" \n",
" </tbody>\n",
" </table>\n",
" </details>\n",
" </div>\n",
" </div></div></div></div></div><script>function copyToClipboard(text, element) {\n",
" // Get the parameter prefix from the closest toggleable content\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${text}` : text;\n",
"\n",
" const originalStyle = element.style;\n",
" const computedStyle = window.getComputedStyle(element);\n",
" const originalWidth = computedStyle.width;\n",
" const originalHTML = element.innerHTML.replace('Copied!', '');\n",
"\n",
" navigator.clipboard.writeText(fullParamName)\n",
" .then(() => {\n",
" element.style.width = originalWidth;\n",
" element.style.color = 'green';\n",
" element.innerHTML = \"Copied!\";\n",
"\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" })\n",
" .catch(err => {\n",
" console.error('Failed to copy:', err);\n",
" element.style.color = 'red';\n",
" element.innerHTML = \"Failed!\";\n",
" setTimeout(() => {\n",
" element.innerHTML = originalHTML;\n",
" element.style = originalStyle;\n",
" }, 2000);\n",
" });\n",
" return false;\n",
"}\n",
"\n",
"document.querySelectorAll('.fa-regular.fa-copy').forEach(function(element) {\n",
" const toggleableContent = element.closest('.sk-toggleable__content');\n",
" const paramPrefix = toggleableContent ? toggleableContent.dataset.paramPrefix : '';\n",
" const paramName = element.parentElement.nextElementSibling.textContent.trim();\n",
" const fullParamName = paramPrefix ? `${paramPrefix}${paramName}` : paramName;\n",
"\n",
" element.setAttribute('title', fullParamName);\n",
"});\n",
"</script></body>"
],
"text/plain": [
"KNeighborsClassifier(n_neighbors=16)"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from sklearn.neighbors import KNeighborsClassifier\n",
"\n",
"knn = KNeighborsClassifier(n_neighbors=16)\n",
"knn.fit(X_train_scaled, y_train)"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Accuracy: 0.56\n",
"[[72 28 0 0]\n",
" [31 44 25 0]\n",
" [ 5 27 47 21]\n",
" [ 0 5 34 61]]\n"
]
}
],
"source": [
"y_pred = knn.predict(X_test_scaled)\n",
"\n",
"print(\"Accuracy:\", accuracy_score(y_test, y_pred))\n",
"print(confusion_matrix(y_test, y_pred))"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "markdown",
"metadata": {
"id": "ssFzfn1Pl4AI"
},
"source": [
"### Задание 5\n",
"\n",
"Сделайте выводы о результатах обучения."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Логистическая регрессия хорошо подходит для линейно разделимых данных, что, вероятно, имело место в данном случае. Наивный Байес хуже справился с задачей из-за нарушения предположения о независимости признаков. Например, такие параметры, как оперативная память и размер экрана, могут быть коррелированы, что снижает качество прогноза. Метод KNN, вероятно, не подходит для данной задачи из-за большой разности в корреляции цены в зависимости от параметра."
]
}
],
"metadata": {
"colab": {
"provenance": []
},
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.6"
}
},
"nbformat": 4,
"nbformat_minor": 0
}