用python波斯顿房价预测

线形回归

导入模块from sklearn.datasets import load_boston

 

from sklearn.model_selection import train_test_split

 

from sklearn.linear_model import LinearRegression

 

from sklearn.preprocessing import StandardScaler

 

from sklearn.metrics import mean_squared_error

 

import numpy as np

 

import pandas as pd

如图所示

 套用公式

def linear_model1():

    """

    线性回归

    ：return：None

    

    """

    

data=load_boston()

 

x_train,x_test,y_train,y_test=train_test_split(data.data,data.target,test_sixe=0.2,random_state=1)

 

&n