for-watch

to see the feature

coupon_id

every dataset have a feature coupon_counts on coupon_id

merchant related feature

merchant_user_buy_count on merchant_id

user_id feature

user_consume_merchant_num
user_consume_total
user_received_coupon_total
user_buy_use_coupon_total

other feature

user_merchant_count_on_merchant
user_merchant_count_on_user
merchant_coupon_type_total
merchant_coupon_total
user_merchant_coupon_total

注意转化率

改进：这里提取的转化率存在大部分转化率为1的值，类似广告点击率，这里应该采用贝叶斯平滑，对转化率做一个修正。