Time series analysis of the number of Covid-۱۹ deaths in Iraq
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJNAA-12-2_152
تاریخ نمایه سازی: 11 آذر 1401
Abstract:
In this paper, the time series data for the number of deaths from Coronavirus (COVID-۱۹) patients in Iraq were analyzed for the period from ۴/۳/۲۰۲۰ to ۱۸/۲/۲۰۲۱. ARCH, GARCH, and TGARCH models were applied due to the changing volatility of the series leading to a heteroscedastic variance. The appropriate models for the series were diagnosed and the best model was chosen and used for forecasting by the exponential smoothing methods. The comparison criterion used was the Root Mean Squared Error and the Sum of Squared Residuals. The most appropriate model for modeling and forecasting the Coronavirus deaths series in Iraq was diagnosed as TGARCH (۱,۱). Finally, the method of Holt-winter-additive forecasting was the best method among the
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