Difficult ML problem involving Multivariate Time Series. Forecasting grocery sales for massive grocery chain in South America.
Used LGBM over each separate store/product family for a total of 1783 models.
Ranked 159 out of 803 with a RMSLE score of 0.4335
Removed training data because github doesn't allow >100MB files without workaround.
Competition found here: https://www.kaggle.com/competitions/store-sales-time-series-forecasting
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