我想在groupby (即df.groupby(by=column).apply(Here))之后的apply上下文中获取groupby列,即作为by参数(即df.groupby(by=column))提供给df.groupby的列。(['Animal']).apply(Here I want to know that groupbycolumn is
我有一个pandas数据帧,我想对一个列执行groupby,并对另一个列应用一个自定义函数。但是该函数必须每隔两个apply-column条目应用一次。vals 1 ABC2 SATYA3 WER3 KIP3 TCZ
# i need a column"res", as a func applied to column vals's each tw