I have a few ARIMA models (R) show below and I was looking to duplicate them using PROC AUTOREG and GARCH, however, I have not been able to replicate them to were they are relatively similar. I was hoping to see if it was possible and how it would fit into the proc autoreg statement.
ANOVA, or Analysis Of Variance, is used to compare the averages or means of two or more populations to better understand how they differ. Watch this tutorial for more.