[R] try question

[Prof Brian Ripley]

On Tue, 29 Jul 2008, Edna Bell wrote:

> Hi still yet again!
>
> I have the following code:
>
>> try(log(rnorm(25)),silent=TRUE)
> [1] -0.26396185         NaN         NaN -0.13078069 -2.44997193
> -2.15603971         NaN  0.94917495  0.07244544         NaN
> [11] -1.06341127 -0.42293099 -0.53769569  0.95134763  0.93403340
>  NaN -0.10502078         NaN  0.30283262         NaN
> [21] -0.11696872 -3.84122332         NaN         NaN -0.12808690
> Warning message:
> In log(rnorm(25)) : NaNs produced
>>
>
> I thought that putting the "silent = TRUE" would suppress the
> warnings, please.  What should I do instead, please?

No, it supresses the error message (and you have no error here).  Use 
suppressWarnings().

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
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