[R] Locate a warning

Liaw, Andy andy_liaw at merck.com
Wed Feb 4 00:16:06 CET 2004

Try options(warn=2) and run your code again, and perhaps traceback()


> From: Sebastien Durand
> I am writing my own program in R through Mac os X terminal.
> Here is my question, is there an easy way to find on which line 
> warnings are created
> I am getting the following warning:
> Warning message:
> number of items to replace is not a multiple of replacement length
> You I just would be happy to find what cause it
> Thanks a lot
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