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seasonaldecompose

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Steffin12-git / Time-series-Superstore-Sales

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Time series forecasting on Superstore sales data using ARIMA and Holt–Winters models. Includes data preprocessing, decomposition, model comparison, and 12-month sales forecast. Holt–Winters (Multiplicative Trend) selected for best accuracy.

python arima statsmodels arima-model arima-forecasting exponentialsmoothingmodel sklearn-metrics simpleexpsmoothing adfuller seasonaldecompose
  • Updated Aug 16, 2025
  • Jupyter Notebook

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