This may be of some help:?try

On Mon, Oct 12, 2009 at 9:42 AM, Arif Chandra <arif.chandra@hotmail.com>wrote:

>
> Hi R-users,
>
> I would like to ask question related to error output.
> If an error comments come out, then the program will automatically stop.
> I want to ask , how I can still continue the program even though there is
> an error comment?
>
> var=VAR(Canada,p=3,type="const")
>
> for (j in 1:nrow(com))
> {
> mat=ma
> {
> for (i in 1:ncol(com))
> {
>    y=which(mat==com[j,i])
>      mat[y]=NA
>
> }
>
>    z=which(mat!=0)
>      mat[z]=0
>    hitt=SVAR(var , estmethod = "scoring", Amat = mat, Bmat = NULL,max.iter
> = 100, maxls = 1000, conv.crit = 1.0e-8)
>    hit[j]=hitt$LR$statistic
>
> }
> }
>
> There will be an error comment,e.g. : Error in solve.default(BinvA) :
>  Lapack routine dgesv: system is exactly singular"
>
> But I still want to continue to compute the SVAR.. How can I do it?
>
> Thanks for answering it..
> Regards,
>
> Arif
>
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