https://blog.csdn.net/weixin_42053726/article/details/85494459
import pandas as pd
import numpy as np
import missingno as msno
from matplotlib import pyplot as plt
datefram=pd.read_csv('bigdata1.csv')
msno.matrix(datefram.sample(datefram.shape[0]), figsize=(16, 16), width_ratios=(15, 1))
plt.rcParams['font.sans-serif']=['SimHei'] #这两行用来显示汉字
plt.rcParams['axes.unicode_minus'] = False
