所以我有一个这样的 df
In [1]:data= {'Group': ['A','A','A','A','A','A','B','B','B','B'],
'Name': [ ' Sheldon Webb',' Traci Dean',' Chad Webster',' Ora Harmon',' Elijah Mendoza',' June Strickland',' Beth Vasquez',' Betty Sutton',' Joel Gill',' Vernon Stone'],
'Performance':[33,64,142,116,122,68,95,127,132,80]}
In [2]:df = pd.DataFrame(data, columns = ['Group', 'Name','Performance'])
Out[1]:
Group Name Performance
0 A Sheldon Webb 33
1 A Traci Dean 64
2 A Chad Webster 142
3 A Ora Harmon 116
4 A Elijah Mendoza 122
5 A June Strickland 68
6 B Beth Vasquez 95
7 B Betty …