286 lines
24 KiB
Plaintext
286 lines
24 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# 机器学习100天——第二天：简单线性回归\n",
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"## 第一步：数据预处理"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"这里导入我们需要的库，值得注意的是，这里比第一天多了一个matplotlib.pyplot,matplotlib是python上的一个2D绘图库,\n",
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"matplotlib下的模块pyplot是一个有命令样式的函数集合，\n",
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"matplotlib.pyplot是为我们对结果进行图像化作准备的。"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"source": [
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"import pandas as pd\n",
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"import numpy as np\n",
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"import matplotlib.pyplot as plt"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"导入相关数据"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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" Hours Scores\n",
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"0 2.5 21\n",
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"1 5.1 47\n",
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"2 3.2 27\n",
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"3 8.5 75\n",
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"4 3.5 30\n",
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"5 1.5 20\n",
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"6 9.2 88\n",
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"7 5.5 60\n",
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"8 8.3 81\n",
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"9 2.7 25\n",
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"10 7.7 85\n",
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"11 5.9 62\n",
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"12 4.5 41\n",
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"13 3.3 42\n",
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"14 1.1 17\n",
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"15 8.9 95\n",
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"16 2.5 30\n",
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"17 1.9 24\n",
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"18 6.1 67\n",
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"19 7.4 69\n",
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"20 2.7 30\n",
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"21 4.8 54\n",
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"22 3.8 35\n",
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"23 6.9 76\n",
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"24 7.8 86\n"
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]
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}
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],
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"source": [
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"dataset = pd.read_csv('../datasets/studentscores.csv')\n",
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"print(dataset)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"这里我们需要使用pandas的iloc(区分于loc根据index来索引，iloc利用行号来索引)方法来对数据进行处理，第一个参数为行号，:表示全部行，第二个参数 ：1表示截到第1列(也就是取第0列)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"X: [[2.5]\n",
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" [5.1]\n",
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" [3.2]\n",
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" [8.5]\n",
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" [3.5]\n",
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" [1.5]\n",
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" [9.2]\n",
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" [5.5]\n",
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" [8.3]\n",
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" [2.7]\n",
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" [7.7]\n",
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" [5.9]\n",
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" [4.5]\n",
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" [3.3]\n",
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" [1.1]\n",
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" [8.9]\n",
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" [2.5]\n",
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" [1.9]\n",
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" [6.1]\n",
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" [7.4]\n",
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" [2.7]\n",
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" [4.8]\n",
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" [3.8]\n",
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" [6.9]\n",
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" [7.8]]\n",
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"Y: [21 47 27 75 30 20 88 60 81 25 85 62 41 42 17 95 30 24 67 69 30 54 35 76\n",
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" 86]\n"
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]
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}
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],
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"source": [
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"X = dataset.iloc[ : , : 1 ].values\n",
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"Y = dataset.iloc[ : , 1 ].values\n",
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"print(\"X:\",X)\n",
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"print(\"Y:\",Y)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"导入sklearn库的cross_validation类来对数据进行训练集、测试集划分"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"metadata": {},
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"outputs": [],
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"source": [
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"from sklearn.model_selection import train_test_split\n",
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"#拆分数据，0.25作为测试集\n",
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"X_train, X_test, Y_train, Y_test = train_test_split( X, Y, test_size = 1/4, random_state = 0) "
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## 训练线性回归"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [],
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"source": [
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"from sklearn.linear_model import LinearRegression\n",
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"#使用训练集对模型进行训练\n",
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"regressor = LinearRegression()\n",
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"regressor = regressor.fit(X_train, Y_train)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## 预测结果"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 7,
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"metadata": {},
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"outputs": [],
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"source": [
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"Y_pred = regressor.predict(X_test)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"## 可视化"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"### 训练集结果可视化"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 20,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"image/png": 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AiuTagHOBNclLVgMXt6JASUl/f0vW0ZvBrFml99zh7W9v6m0D7Yoo0pB6R+j/CHwRGE6uZwH73P1gcr0DmJdybZK2FPcveeCB0aPyAwdSnoqoXRFFGlIz0M3sAmC3u28svl3hpRX/r2xmi8xs0MwG9+zZM84yJSZmcO65I9ennBKCfPLklL9Ri36qEMmrmkfQmdlXgUuBg8BhwBHA7cAfAke7+0EzOxP4G3f/w7HeS0fQdbZrr4Wbbiq9p8VBIq2X2hF07v5ld5/v7r3AR4CfuHs/8ADwJ8nLLgPuaKJeiZxZaZh/85sKc5HYNDMP/UvA98zs74BHgZXplCQxmToVfv3r0nsKcpE4NRTo7r4eWJ98/hxwevolSQz274fDDy+99/jjcPLJ2dQjIrVp6b8ApSvszUaHubvCXCR2Wvovo1bYFxsaCm0XEYmfRuhScYU9hFmCCnORzqFA73I33BD2vKpEK+xFOosCvYuU70RrNvY+V1phL9JZ1EPvEpV2oi02bVpp20Ur7EU6j0boXaJan/yoo8IMFq2wF+l8NZf+p0lL/7NT6YDmwv3h4cpfE5E4pLb0Xzrbli3VwxzUJxfJE/XQc6w8yM1Kl+2rTy6SLxqh59Btt1U+oPnf/k19cpE80wg9Z8qD/IYb4MtfDp/39yvARfJMgZ4TV1wBq1aV3tOuiCLdRYHe4Q4dgkllf4o//zmceWY29YhIdhToHazS7BWNykW6lx6KdqAXXxwd5nv3KsxFup0CPTblG64MDJR82Qzmzh25PvroEOQzZ7b2+4pI/NRyiUmlDVcWLQJg3ZH9nH9+6cuHh8deNJTG99W0GJHOoaX/MentrbiXrVH6Z/SXfwlf+1rrvy89PWGpqYhkqt6l/xqhx2TbNj7Ht1nOZzjERAzHy7piLfn3t9rG59oQXaSjqIcekc9Nu5llXMUhJhHG5SN/PPfe28KHntU2dNFGLyIdRYEekeVvXgqMbopPnDDMeee18BsvXRo2dimmjV5EOo4CPRJvvgmHhiv/cVS7n5r+fm2ILpIDCvQMlM8QPO200QPkYhMntqGo/v7wAHR4OHxUmIt0HD0UbbNKMwSrHdJcUJhBKCIyFo3Q26zaUXBz5oSHnp/97MiIfOLEcP1P/9TeGkWkM2keeptNmFB5toqOghORanQEXYQuvbT61EPNEBSRZinQ22BwMIzAb7klXE+ZUvr1khmC2lNFRMZJgd5Chw7BqaeGWSwAs2eH/vmqVVVmCBaemG7dGobyhT1VFOoiUgf10Fvk9tvhwx8euf7xjxm1udYo2lNFRCrQXi4Z2b8/bGV78GC4PuccuP/+0EGpSXuqiEgT1HJJ0U03weGHj4T5k0/CAw/UGeagPVVEpCkK9BTs3Bn64ddeG66vuiq0wE86qcE30p4qItIEBXqTPv1pmD9/5HrXLvjOd8b5ZtpTRUSaoB76OD32WJjBUvCtb8HVV6fwxv39CnARGRcFeoOGh+H3fx8eeihcT58Ou3ePvbmWiEg7qOXSgHvuCfurFML8rrvCrJaGw1yLh0SkBTRCr8PQEMydC6+/Hq5PPx1+/vNxbmurA5lFpEVqjtDN7Fgze8DMNpnZ02a2OLn/W2a2zsw2Jx9ntr7c9lu2LLRVCmH+yCOwYUMTe5RX2m5xaCjcFxFpQj0tl4PAte5+InAGcJWZvQtYAtzv7u8A7k+uc+Oll8JEk899Llx/6lNhKmLxg9Bx0eIhEWmRmoHu7i+4+yPJ578CNgHzgIuA1cnLVgMXt6rIdlu8GI4+euR6+3ZYuTKlN9fiIRFpkYYeippZL3AqsAE4yt1fgBD6wJFpF9duzzwTRuXf+la4/trXwqi8eJ5507R4SERapO6Homb2VuA24Bp3f91s9On0VX7fImARwIJIR6HuYeOs++4L1xMmwL59YRl/6goPPq+7LrRZFiwIYa4HoiLSpLp2WzSzycDdwI/d/abk3n8D57j7C2Y2F1jv7ieM9T4x7rZ4//3w/vePXK9ZA3/8x9nVIyJSLrXdFi0MxVcCmwphnrgTuAz4++TjHeOsNRO//jUcdxy8+GK4/t3fDTNYJmkip4h0qHp66GcBlwLnmtljya8/IgT5eWa2GTgvue4IK1fC1KkjYf7ww/DEEwpzEels9cxyedDdzd1Pdvd3J7/ucfdX3H2hu78j+bi3JRWmuKry5ZfDQ88rrwzXH/1oWMr/3vemUqmISKbiXvqf4pFsS5bAnDkj188/D7feGgJeRCQP4g70FFZVbt4cQvvGG8P19deHfxt6e9MrU0QkBnF3jZtYVekOF14Id989cu/VV2HGjJRqExGJTNwj9HGuqvzZz0LLvRDmAwMh4BXmIpJncQd6g6sqDxyA44+Hs88O129/e7j3sY+1uE4RkQjEHegNHMk2MABveUt42AlhlL55M0ye3OaaRUQyEncPHWoeybZvH8ws2rj34oth7VrNXhGR7hP3CL2G668vDfP/+R+4/XaFuYh0p/hH6BU8/3zolRcsWQJf/Wp29YiIxCD6EXrxQtGeHjjzzNIwf/llhbmICEQe6OULRbdtC/uuAKxaFe7NmpVtjSIisYg60CstFIUwDf3yy9tfj4hIzKIO9GoLQrdvb28dIiKdIOpA1/GbIiL1izrQdfymiEj9og70BhaKioh0vejnoddYKCoiIomoR+giIlI/BbqISE4o0EVEckKBLiKSEwp0EZGcMHdv3zcz2wNsbeC3zAZeblE54xVjTRBnXTHWBHHWFWNNEGddMdYEra2rx93n1HpRWwO9UWY26O59WddRLMaaIM66YqwJ4qwrxpogzrpirAniqEstFxGRnFCgi4jkROyBvjzrAiqIsSaIs64Ya4I464qxJoizrhhrggjqirqHLiIi9Yt9hC4iInWKMtDNbJWZ7Tazp7KupcDMjjWzB8xsk5k9bWaLI6jpMDP7LzN7PKnp+qxrKjCziWb2qJndnXUtBWa2xcyeNLPHzGww63oKzGyGma0xs2eTv19nZlzPCcl/o8Kv183smixrKjCzP0/+rj9lZt81s8MiqGlxUs/TWf93irLlYmZnA/uBf3X3k7KuB8DM5gJz3f0RMzsc2Ahc7O7PZFiTAdPdfb+ZTQYeBBa7+8NZ1VRgZn8B9AFHuPsFWdcDIdCBPnePag6zma0GfubuK8xsCjDN3fdlXReEf5iBncB73b2RNSStqGUe4e/4u9z9TTP7AXCPu/9LhjWdBHwPOB04APwI+Ky7b86inihH6O7+n8DerOso5u4vuPsjyee/AjYB8zKuyd19f3I5OfmV+b/QZjYf+BCwIutaYmdmRwBnAysB3P1ALGGeWAj8MuswLzIJmGpmk4BpwK6M6zkReNjdh9z9IPBT4JKsioky0GNnZr3AqcCGbCv5TWvjMWA3sM7dM68J+Efgi8Bw1oWUceBeM9toZouyLiZxPLAHuDlpUa0ws+lZF1XkI8B3sy4CwN13At8AtgEvAK+5+73ZVsVTwNlmNsvMpgF/BBybVTEK9AaZ2VuB24Br3P31rOtx90Pu/m5gPnB68iNgZszsAmC3u2/Mso4qznL39wAfBK5KWntZmwS8B1jm7qcCbwBLsi0pSNo/FwL/nnUtAGY2E7gIOA44BphuZh/PsiZ33wTcCKwjtFseBw5mVY8CvQFJn/o2YMDd12ZdT7Hkx/T1wAcyLuUs4MKkX/094FwzuyXbkgJ335V83A3cTuh7Zm0HsKPoJ6s1hICPwQeBR9z9pawLSbwfeN7d97j7/wFrgd/LuCbcfaW7v8fdzya0ijPpn4MCvW7JA8iVwCZ3vynregDMbI6ZzUg+n0r4C/9sljW5+5fdfb679xJ+XP+Ju2c6igIws+nJw2ySlsb5hB+XM+XuLwLbzeyE5NZCILMH7WU+SiTtlsQ24Awzm5b8/3Eh4VlWpszsyOTjAuDDZPjfLMozRc3su8A5wGwz2wF8xd1XZlsVZwGXAk8mPWuAv3L3ezKsaS6wOpmJMAH4gbtHM00wMkcBt4ccYBJwq7v/KNuSfuNqYCBpcTwHXJ5xPST94POAT2ddS4G7bzCzNcAjhLbGo0SwOhO4zcxmAf8HXOXur2ZVSJTTFkVEpHFquYiI5IQCXUQkJxToIiI5oUAXEckJBbqISE4o0EVEckKBLiKSEwp0EZGc+H8Ad1Wk1CaNtgAAAABJRU5ErkJggg==\n",
|
||
"text/plain": [
|
||
"<Figure size 432x288 with 1 Axes>"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"#散点图\n",
|
||
"plt.scatter(X_train , Y_train, color = 'red')\n",
|
||
"#线图\n",
|
||
"plt.plot(X_train , regressor.predict(X_train), 'bo-')\n",
|
||
"plt.show()"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "markdown",
|
||
"metadata": {},
|
||
"source": [
|
||
"### 测试集结果可视化"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": 21,
|
||
"metadata": {},
|
||
"outputs": [
|
||
{
|
||
"data": {
|
||
"image/png": 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\n",
|
||
"text/plain": [
|
||
"<Figure size 432x288 with 1 Axes>"
|
||
]
|
||
},
|
||
"metadata": {},
|
||
"output_type": "display_data"
|
||
}
|
||
],
|
||
"source": [
|
||
"#散点图\n",
|
||
"plt.scatter(X_test , Y_test, color = 'red')\n",
|
||
"#线图\n",
|
||
"plt.plot(X_test ,Y_pred, 'bo-')\n",
|
||
"plt.show()"
|
||
]
|
||
},
|
||
{
|
||
"cell_type": "code",
|
||
"execution_count": null,
|
||
"metadata": {},
|
||
"outputs": [],
|
||
"source": []
|
||
}
|
||
],
|
||
"metadata": {
|
||
"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": "3.6.5"
|
||
}
|
||
},
|
||
"nbformat": 4,
|
||
"nbformat_minor": 2
|
||
}
|