[R] error-handling question

Andrew C. Ward andreww at cheque.uq.edu.au
Mon Feb 24 11:12:41 CET 2003

You can achieve this with try(). Look at the second example (?try),
which is probably most like what you want to do.


Andrew C. Ward

CAPE Centre
Department of Chemical Engineering
The University of Queensland
Brisbane Qld 4072 Australia
andreww at cheque.uq.edu.au

On Monday, February 24, 2003 7:51 PM, ximing wu [SMTP:ximing at are.berkeley.edu] wrote:
> hi,
> I have a question about error-handling.  Say I want to do a simulation 100 
> times, each experiment involves inverting a matrix. Occasionally the matrix 
> is close to singularity,  R gives an error message and the program stops 
> right there. Is there any way I can prevent the error message, assign 
> something (say a NULL) to the outcome, and move on?
> thanks a lot.
> -----------------------------------------
> Ximing Wu
> Department of Agricultural & Resource Economics
> University of California, Berkeley
> http://are.berkeley.edu/~ximing/
> ------------------------------------------
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