import pandas as pddf = pd.read_csv('sales.csv')#第一步,将分箱的数(三列)先整出来,保存为r,f,m三个Series型数据r = pd.qcut(df['recency'],[0,0.25,0.5,0.75,1],labels=['4','3','2','1'])f = pd.qcut(df['frequency'],[0,0.25,0.5,0.75,1],labels=['1','2','3','4'])m = pd.qcut(df[...