#coding=utf-8
import pandas as pd
from matplotlib import pyplot as plt
import numpy as np
df = pd.read_csv("./911.csv")
print(df.head())
print(df.info())
#获取分类
#print(df["title"].str.split(":"))
temp_list = df["title"].str.split(":").to_list()
cate_list = list(set([i[0] for i in temp_list]))
print(cate_list)
#构造全为零的数组
zero_df = pd.DateFrame(np.zeros(np.zeros(df.shape[0],len(cate_list)),columns=cate_list)
#赋值
for cate in cate_list:
zeros_df[cate][df["list"].str.contains(cate)]=1
print(zeros_df)
更多的缩写
pandas重采样
