[R] Help

[rkevinburton at charter.net]

You could look into ' try' and set it up to catch errors and do the appropriate thing in your error handler. I don't have the exact syntax at hand right now but looking at ?try or ?tryCatch I think will do what you want.

Kevin

---- Alexandra Almeida <alexandrarma at gmail.com> wrote: 
> Hi everybody!
> 
> I´m with a problem that probably is easy for you, but I really don´t know
> how to solve.
> On the following script:
> 
> for(j in 1:length(limiares))
> {
>    excessos<-limiares[j]-estacao[estacao<limiares[j]]
>    par.ests<-gpd(-(estacao),threshold=-limiares[j],method=c("pwm"))$par.est
> 
> GOF.test<-ks.test(excessos,"pgpd",xi=par.ests[1],beta=par.ests[2])$p.value
> 
> tabs[j,]<-c(par.ests,gpd(-(estacao),threshold=-limiares[j],method=c("pwm"))$par.ses,GOF.test,length(excessos))
> }
> 
> I´ve found the error for some values of i: Erro em ks.test(excessos, "pgpd",
> xi = par.ests[1], beta = par.ests[2]) : NA/NaN/Inf em chamada de função
> externa (argumento 1)
> 
> *My question is: This warning stop the "for" and I don´t want it, is there
> some way to continue the "for", and for the cases where the function cannot
> calculate the ks.test for the i just leave a NA as answer???*
> 
> Thank you *very much*!!!
> 
> Alexandra Almeida
> 
> 
> 
> -- 
> Alexandra R M de Almeida
> 
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>