销量预测结果记录

baseline:

rmsle1=0.0454     rmsle3=0.0450   rmsle7=0.0433

1、只使用销量

rmsle=0.0392

2、销量、weekday

rmsle=0.0373

预测周销量:

baseline:

rmsle2: 0.029815477426626328  (最近两周销量的平均)

1、销量、weekday

rmsle = 0.0294

2、销量、weekday、monthday

rmsle = 0.0238

3、销量、weekday、monthday、差值

rmsle = 0.0232

4、训练的时候处理异常点,测试的时候,样本不处理异常点

效果不好,异常点都要保留

5、训练结束后直接预测商品“红茶玛奇朵” ,注意,归一化要统一

rmsle14=0.0397

model =0.0356

===不进行归一化===

fine tuning (学习率下降到0.001,batch_size到64)

rmsle14=0.0397

model = 0.0329

===不进行归一化===

rmsle14 = 0.1404

model = 0.1259,0.1215, 0.1202    mape=0.1539

                                      loss=0.6187

6、增加7天平均作为滑动窗口

rmsle14=0.1404   mape14=0.2271

model = 0.1213  mape=0.1578

model = 0.0989  mape=0.0989

======修正数据后=====

base14 = 0.1709

model = 0.1352

原文地址:https://www.cnblogs.com/yjybupt/p/11911147.html