在本次竞赛中,我们沃尔玛销售数据,来预测未来28天的日销售量。数据涵盖了California, Texas, and Wisconsin三个周的数据,数据包含下列信息:item level, department, product categories, and store details。 除此以外,还含有一些解释性变量,比如price, promotions, day of the week, and special events。
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