R值得分224.7238.6349.48219.7629.9384.5319.9148.5202.59204.08131.8283.5431.1288.6395.8138.67176.9250059.8164.163.9155.65 得分M值分段得分90天未购买100元以下买2次100-200元180-360天未购买3购买3次200-500元3360-720天未购买2购买4次500-1000元4