我有一个 DataFrame,其中有一些重复的行,如下所示:
Person ID Country Value
A 426 USA 1000
A 426 USA 1000
A 426 USA 1000
B 419 CHI 500
B 419 CHI 500
C 510 ALE 2000
C 510 ALE 2000
C 510 ALE 2000
C 510 ALE 2000
我试图按顺序枚举每个重复的行,希望它是这样的:
Person ID Country Value Times
A 426 USA 1000 1
A 426 USA 1000 2
A 426 USA 1000 3
B 419 CHI 500 1
B 419 CHI 500 2
C 510 ALE 2000 1
C 510 ALE 2000 2
C 510 ALE 2000 3
C 510 ALE 2000 4
I have no idea of how to do it, can you give me some help?