Hello, Inline.
Em 03-07-2012 09:22, Sajeeka Nanayakkara escreveu:
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?
By reading the help page. ?arima Value [...] code the convergence value returned by _optim_. Hope this helps, Rui Barradas
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______________________________________________ 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.