20/6/2025

20/6/2025

Today, I successfully completed the construction and comparative analysis of the ARIMA and SARIMA time series forecasting models, and wrote a summary report, which comprehensively sorted out the model development process, parameter selection logic, forecasting effects (such as MAPE), and the differences in applicability of the two models in different sales scenarios.

After completing the summary, I reported to the Manager and Executive, clearly demonstrating the principles, execution process and business application value of the forecasting model, and recorded the direction of subsequent optimization based on their feedback.

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