# 提取RFM
data = data[[\'LAST_TO_END\',\'FLIGHT_COUNT\',\'SEG_KM_SUM\']]
data.head()


data[\'R\']=data[\'LAST_TO_END\']
data[\'F\']=data[\'FLIGHT_COUNT\']
data[\'M\']=data[\'SEG_KM_SUM\']
data1 = data[[\'R\',\'F\',\'M\']]
data1.head()