Dear Hua,

Try

options(warn=-1)
tt = "test"
as.numeric(tt)
[1] NA


See also ?options for more info.

HTH,

Jorge


On Tue, Jul 1, 2008 at 12:11 PM, Hua Li <hualihua@yahoo.com> wrote:

> Hi All,
>
> I'm working with R and want to ignore the warning messages given, is there
> a way to stop R from giving out warning messages any more?
>
> an example:
>
> tt = "test"
> as.numeric(tt)
>
> would give me the following message:
>
> [1] NA
> Warning message:
> NAs introduced by coercion
>
> I decide to ignore the warning message for now and don't want it to show
> any more, can someone help?
>
> Thanks!
>
>
> Hua
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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