Why don't you just suppress the warning messages you are not interested in?
?suppressWarnings
Hadley
On Tue, Oct 14, 2008 at 7:59 AM, <[EMAIL PROTECTED]> wrote:
> I have a function that could possibly generate warnings in a loop. What I
> want is to report the warnings (warnings()) then clear out the last.warning
> object so that if there is a call without warnings I will not see the
> previous warning.
> Some example code:
>
> generatewarning <- function(s)
> {
> warning(s)
> }
>
> loop <- function(f=TRUE)
> {
> if(f)
> {
> for(.index in 1:10)
> {
> if(.index %% 2)
> {
> generatewarning(sprintf("%d warning", .index))
> }
> }
> }
> }
>
> loop()
> warnings("TRUE")
> loop(FALSE)
> warnings("FALSE")
> loop()
> warnings("TRUE")
>
> Notice that the call to "warnings("FALSE")" still reports the warnings from
> the previousely generated warnings. I want to "clear" this set since it has
> already been reported. Is there a way to do this?
>
> Thank you.
>
> Kevin
>
> ______________________________________________
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
http://had.co.nz/
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