点击运行
import pandas as pd import numpy as np df1 = pd.DataFrame(np.random.randn(10,3),columns=['col1','col2','col3']) df2 = pd.DataFrame(np.random.randn(7,3),columns=['col1','col2','col3']) df2_nopad = df2.reindex_like(df1) print("NoPad Data:") print(df2_nopad) df2_pad = df2.reindex_like(df1, method="ffill") print("Pad Data:") print(df2_pad)
运行结果 :
正在执行...
