黄包车比赛 python学习

将性别进行编码：　　https://github.com/Bifzivkar/Boutique-Travel-Services-Predict/blob/master/feature/2_feature_encode.py

gender_mapping = {lab: idx for idx, lab in enumerate(set(userProfile_train['gender'].dropna()))}

2、？？ 109行

orderFuture['latest_type'][~(orderFuture['latest_type'] >= 0)] = 0 # 历史未下单类型为0

last（）

latest = orderHistory[['userid', 'orderid', 'orderType', 'order_time']].groupby(['userid']).last().reset_index()

https://github.com/Bifzivkar/Boutique-Travel-Services-Predict/blob/master/feature/5_extract_feature.py

userProfile['province_123'][userProfile['province'].isin(province_1)] = 1 ???

3、 126行到144行代码有啥用啊，根本没用到这个特征　　

255行： action.orderid 哪里来的

巴特西