1. 数据加载 假如进行房价的预测,这里加载的数据共1000条,共十个维度(十个特征),除了id以外,其余的都是自变量(9个可用) import pandas as pd import numpy as np import os import matplotlib.pyplot as plt os.chdir(r"C:\Users\86177\Desktop") df = pd.read_csv('sample_data_sets.csv') print(df.columns) print(df.shape) –> 输出的结果为: Index(['id', 'complete_year',