Re: [Rd] R-2.6.0 package check problems

From: Thomas Petzoldt <>
Date: Fri, 05 Oct 2007 17:49:26 +0200

Robin Hankin wrote:
> Hello
> One of my packages, untb_1.3-2, passes R CMD check under
> MacOSX (and apparently the systems used in the package check
> summary page on CRAN) but fails with the following message on
> R-2.6.0.tgz compiled last night on my (home) linux box. I hasten
> to add that I have never seen this error before on home-compiled
> pre-releases of R-2.6.0.
> Can anyone help me understand what is going on?

Hi Robin,

congratulations to your published article about untb ;-)

One possible explanation is that your examples use random numbers which may be different ones during the CRAN check. I had this problem with another package where a "rare random number event" lead to non-convergence of optim during the package check. You may use set.seed() as a first aid and then try to stabilize your algorithms.

BTW: untb_1.3-2.tar.gz passed the check just now on my system: R 2.7.0 Under development (unstable), svn rev 43092 (5. Oct), i386-pc-mingw32

Thomas P.

Thomas Petzoldt
Technische Universitaet Dresden
Institut fuer Hydrobiologie
01062 Dresden            

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