make_features.py 文件源码

def make_history_month_features(user_id,user_df):
    """
    ??????
    """
    print 'user_id:', user_id
    power = user_df.power_consumption.copy()
    feature_df = history_feature(power)
    new_df = pd.DataFrame(index = feature_df.index)
    #create 30 models
    for d in range(30):
        for cols in feature_df:
            #30 days features
            new_df[cols+'#%d'%d] = feature_df[cols]
        feature_df.index -= pd.Timedelta('1D')
    new_df = new_df.dropna()
    save_history_df(new_df.dropna(),user_id)
    return new_df