我是数据分析和python的新手。我遇到了以下
df1.merge(df2, on='cnpj',suffixes=('','_y')).drop('index_y',axis=1)
for performing merge operations among the dataframes. I would like to know how the axis
and index_y
is determined?
我是数据分析和python的新手。我遇到了以下
df1.merge(df2, on='cnpj',suffixes=('','_y')).drop('index_y',axis=1)
for performing merge operations among the dataframes. I would like to know how the axis
and index_y
is determined?