Python numpy DataFrame dropna

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import pandas as pd
import numpy as np

date = pd.date_range(‘20191231‘, periods=6)
df = pd.DataFrame(np.arange(24).reshape(6,4), index=date, columns=[‘A‘,‘B‘,‘C‘,‘D‘])

df.iloc[0,1] = np.nan
df.iloc[1,2] = np.nan

print(df)

print(df.dropna(axis=0, how=‘any‘))

print(df.dropna(axis=1, how=‘any‘))

print(df.dropna(axis=0, how=‘all‘))

print(df.dropna(axis=1, how=‘all‘))

Python numpy DataFrame dropna

标签：import   nbsp   image   dataframe   img   imp   ram   info   inf   

原文地址：https://www.cnblogs.com/wddqy/p/12125655.html