Sales forecasting for Walmart (M5 Competition) using Holt-Winters & Prophet. Achieved 7.09% MAPE by optimizing for trend-stationarity and seasonality.
python data-science time-series statistical-analysis scipy prophet statsmodels holt-winters time-series-forecasting demand-planning walmart-m5 inventory-optimalization
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Updated
Feb 10, 2026 - Jupyter Notebook