2020
09-29
09-29
python 实现分组求和与分组累加求和代码
我就废话不多说了,大家还是直接看代码吧!#-*-encoding=utf-8-*-importpandasaspddata=['abc','abc','abc','asc','ase','ase','ase']num=[1,2,2,1,2,1,2]df1=pd.DataFrame({'name':data,'num':num})print(df1)df1['mmm']=df1['num']df2=df1.groupby(['name','num'],as_index=False).count()print(df2)df2.sort_values(['name','num'],ascending=[1,1],inplace=True)print(df2)df2['sum']=df2.groupby(['name'])['mmm'...
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