13/8/2025

 13/8/2025

Today's main task is to convert the XGBoost model to a rolling forecast mode, so that the step-by-step forecasting process is more closely aligned with real-world business needs. This adjustment not only involves modifying the structure of the forecasting process but also replanning the split of training and test data to ensure that each forecast step is updated based on known historical data.

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21/3/2025

 21/3/2025 Continue to explore and test various sales forecasting methods, including using different time periods for forecasting, to find the most accurate forecasting method. Attend meetings in the afternoon to discuss inventory status during the promotion period with relevant teams (such as managers and executives), focusing on products that have already started or are about to start promotions, especially products that are at risk of being out of stock (OOS), and develop corresponding response strategies to ensure the smooth progress of promotions.
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19/3/2025

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