From p.dalgaard at biostat.ku.dk  Wed Feb 24 18:13:14 2010
From: p.dalgaard at biostat.ku.dk (Peter Dalgaard)
Date: Wed, 24 Feb 2010 18:13:14 +0100
Subject: [Rd] Suppressing a warning from library()
In-Reply-To: <1267029726.27561.18.camel@punchbuggy>
References: <1267029726.27561.18.camel@punchbuggy>
Message-ID: <4B855E2A.2020809@biostat.ku.dk>

Terry Therneau wrote:
> I get a warning about "1 warning message" using R CMD check on the
> survival library.  It comes from the code snippet:
> 
>    if (library(cmprsk, logical.return=TRUE)) {
> 	# further test of competing risks from survfit
> 	.
> 	.
> 	}
> This is a very useful additional test when I'm checking any changes to
> the affected code, so I like having this in my test suite even though it
> doesn't run automatically.  
> 
> This argues for a change in library -- when the user sets logical.return
> =T they don't need a warning message too.  I submit this to the R core
> and their collective wisdom.
> 
> I admit that mine is an unusual case, and for now I'll turn if off with
> options(warn=-1) 

Probably, wrapping in suppressWarnings() is better.

-p


-- 
    O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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[Rd] Suppressing a warning from library()
Peter Dalgaard