[R] How to catch Error Messages in R

Erik Iverson eriki at ccbr.umn.edu
Thu May 27 22:33:46 CEST 2010


guox at ucalgary.ca wrote:
> As we knew, if a function is not used correctly,
> an error message will throw/display in R:
>> rnorm(-1)
> Error in rnorm(-1) : invalid arguments
> I would like to catch the error message or assign an error message to a
> variable so that I can use them some where else.
> So, how to catch error messages in R? Thanks,
> -james
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