I have already fitted several models using R code; arima(rates,c(p,d,q))
As I heard, best model produce the smallest AIC value, but maximum likelihood estimation procedure optimizer should converge. How to check whether maximum likelihood estimation procedure optimizer has converged or not? [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.