Hi dear,
I tried to install rgrach package it couldnt make it.How to download and install 
it.It gives me the following error.I dont understand how deal with it.plz help 
in installing and then loading rgarch package.


utils:::menuInstallLocal()
package 'rgarch' successfully unpacked and MD5 sums checked
> library(rgarch)
Error in gzfile(file, "rb") : cannot open the connection
In addition: Warning messages:
1: In gzfile(file, "r") :
  cannot open compressed file 'C:/Program 
Files/R/R-2.13.1/library/Rcpp/DESCRIPTION', probable reason 'No such file or 
directory'
2: In gzfile(file, "rb") :
  cannot open compressed file '', probable reason 'No such file or directory' 
 
Regards 

Amjad Ali 




________________________________
From: 4dscape.com <alexios@4dscape.com>

Cc: "r-sig-finance@r-project.org" <r-sig-finance@r-project.org>
Sent: Wed, July 20, 2011 5:14:33 PM
Subject: Re: [R-SIG-Finance] (no subject)

Look at the documentation for ugarchspec in the rgarch package. The option 
'arfima' (TRUE/FALSE) is documented and rather self explanatory.

Regards,
-Alexios



> Hi 
> In the rgarch package I could not find the codes for simultaneous fitting of 
> Autoregressive fractionally integrated Moving average model with GARCH errors 
> i.e ARFIMA(p,d,q)-GARCH(r,s) model.in fGarch package the codes for fitting 
> arma(p,q)-GARCH(r,s) is available but not for ARFIMA(p,d,q)-GARCH(r,s) . Please 
>
> help in this regrad
> 
> 
> Regards 
> 
> Amjad Ali 
> 
> 
> 
> 
> ________________________________
> From: soren wilkening <me@censix.com>
> To: r-sig-finance@r-project.org
> Sent: Mon, July 18, 2011 11:52:18 PM
> Subject: Re: [R-SIG-Finance] (no subject)
> 
> You could use the 'rgarch' package. Does everything you want and more. (of
> course there are alternatives as well)
> Soren
> 
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