28/4/2025

 28/4/2025

Started to formally learn Holt's Method and deeply understood the principle of introducing trend components on the basis of traditional exponential smoothing. In the process of learning, not only mastered its formula setting and parameter adjustment skills, but also tried to apply Holt's method to actual sales data, conduct forecasting tests, and compare and analyze with previous forecasting results.

After mastering Holt's method, further explore the more advanced forecasting technology - Holt-Winters Method, which introduces seasonality factors on the basis of Holt's. Subsequently, use Holt-Winters method to conduct forecasting tests on sales data and observe its performance in capturing seasonal patterns and trend changes.

评论

发表评论

此博客中的热门博文

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.
阅读全文

19/3/2025

19/3/2025 Data related to Soh (Stock on hand), Sales (Sales data) and Warehouse Stock (Warehouse Stock) from January 2, 2025 to March 19, 2025 are extracted from Qlik Sense, and the data integrity is checked and initially cleaned. Subsequently, the stock level and warehouse stock allocation are analyzed by building visualization charts such as line charts and bar charts. Finally, the analysis results are discussed and corrected with the Supply Chain Forecast and Promotion Executive.
阅读全文