[R] warning.expression?

Roger D. Peng rpeng at jhsph.edu
Thu Sep 22 18:45:05 CEST 2005

You might be interested in 'tryCatch' to catch warnings.


Thomas Friedrichsmeier wrote:
> Hi!
> I'm trying to catch all warning-messages for special handling. It seems 
> options (warning.expression=myfunc ()) can be used for that. However, the 
> question is: How can I get at the actual warning in myfunc ()? Apparently in 
> S, you can use .C("get_last_message") for that. Is there a similar mechanism 
> in R?
> Thanks for your help!
> Thomas
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Roger D. Peng

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