python_折扣优惠数据处理（python计算商品打折总价）

python_折扣优惠数据处理（python计算商品打折总价）

python_折扣优惠数据处理

#提取优惠券的相关特征def calc_discount_rate(s): s = str(s) s = s.split(':') if len(s) == 1: return float(s[0]) else: return 1.0-float(s[1])/float(s[0])def get_discount_man(s): s = str(s) s = s.split(':') if len(s)==1: return 'null' else: return int(s[0])def get_discount_jian(s): s = str(s) s = s.split(':') if len(s) == 1: return 'null' else: return int(s[1])def is_man_jian(s): s = str(s) s = s.split(':') if len(s)==1: return 0 else: return 1#显示满了多少钱后开始减dataset3['discount_man'] = dataset3.discount_rate.apply(get_discount_man)#显示满减的减少的钱dataset3['discount_jian'] = dataset3.discount_rate.apply(get_discount_jian)#返回优惠券是否是满减券dataset3['is_man_jian'] = dataset3.discount_rate.apply(is_man_jian)#显示打折力度dataset3['discount_rate'] = dataset3.discount_rate.apply(calc_discount_rate)

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