Rossmann operates over 3,000 drug stores in 7 European countries. Currently, Rossmann store managers are tasked with predicting their daily sales for up to six weeks in advance. Store sales are influenced by many factors, including promotions, competition, school and state holidays, seasonality, and locality. With thousands of individual managers predicting sales based on their unique circumstances, the accuracy of results can be quite varied.
Submissions are evaluated on the Root Mean Square Percentage Error (RMSPE). The RMSPE is calculated as
数据科学python sklearn,use kaggle dateset and python program.
量化出来就是 rmspe <0.1177