# F和M值:
rfm[\'F-score\']=pd.cut(rfm[\'F\'],bins=[1,2,3,4,5,1000000],labels=[1,2,3,4,5],
right=False).astype(float)
rfm[\'M-score\']=pd.cut(rfm[\'M\'],bins=[0,50,100,150,200,1000000],labels=[1,2,3,4,5],
right=False).astype(float)
rfm.head()