[R-SIG-Finance] fitted fGarch model

Spencer Graves spencer.graves at pdf.com
Sun Feb 24 18:30:20 CET 2008



babel at centrum.sk wrote:
> Hello guys
> I have this question. How to fit the garch model and print all his fitted values. 
> y=c+at  at=vt*sigma   vt=N(0,1)
>
>
> library(fGarch)
> fit = garchFit(~garch(1, 1), data =ret )
>
> c<-fit at fitted
> vt<-fit at residuals
> sigma<-fit at sigma.t
> at<-vt*sigma
> model_garch<-c+at
>
>
>
> Are these computations correct? Cause if I do model_garch=c+vt  I get the original series. 
> Thank you very much for help.
>
>   
It looks like you've answered your own question.  Spencer
> _______________________________________________
> R-SIG-Finance at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-finance
> -- Subscriber-posting only. 
> -- If you want to post, subscribe first.
>



More information about the R-SIG-Finance mailing list