# -*- coding: utf-8 -*-
"""
任务:房屋价格预测
绘制线性回归图片
"""
import pandas as pd
from sklearn.model_selection import train_test_split
from sklearn.linear_model import LinearRegression
import matplotlib.pyplot as plt
DATA_FILE = './data_ai/house_data.csv'
# 使用的特征列
FEAT_COLS = ['bedrooms', 'bathrooms', 'sqft_living', 'sqft_lot', 'sqft_above', 'sqft_basement']
def