O miernikach dokładności prognoz ex post w prognozowaniu zmiennych o silnym natężeniu sezonowości
About measures of ex-post the forecasts accuracy used to variables with strong of seasonal fluctuations

Summary/Abstract: This work is devoted to discussions on application of relative measures of accuracy of the ex-post forecasts. The authors showed that when the variable has a very large amplitude of seasonality indicators the average absolute forecast error (MAPE) can not be used. Theoretical study are illustrated on the example of thermal energy production.

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