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Miha Kralj
6e24fea8b7
- Introduced Tukey's Biweight as a robust loss function, including mathematical foundation, usage patterns, and performance profile. - Added WMAPE (Weighted Mean Absolute Percentage Error) implementation, emphasizing its advantages for intermittent demand forecasting. - Created unit tests for WMAPE covering various scenarios including edge cases and batch calculations. - Documented both Tukey's Biweight and WMAPE with detailed explanations, properties, and common use cases.