Re: [Rd] vignette compilation times

From: Robin Hankin <>
Date: Thu, 19 Feb 2009 11:47:12 +0000

thanks for this clarification Uwe

Could I include the r_env_cache/ directory in the package and then assume that the CRAN checks use

Sweave(.... , driver=weaver())

in which case the process takes about 10 seconds?


Uwe Ligges wrote:
> Robin Hankin wrote:
>> Dear All
>> I am preparing a number of vignettes that require a very long time to
>> process with Sweave. The longest one takes 10 hours. I love the weaver
>> package!
>> Is a package that includes such a computationally intensive vignette
>> acceptable on CRAN? Are there any guidelines here?
> Robin,
> please try to keep a package below 5 minutes check time. You know,
> it's hard to perform daily checks for 1700 packages if just one
> already runs for 10 hours.
> In reasonable circumstances, we do have exclude lists, but it probably
> does not make sense to provide that computational intensive vignettes.
> Perhaps you can provide some intermediate results in form of Rdata
> files in order to reduce runtime of your vignette's creation (and
> checks!).
> Best wishes,
> Uwe

Robin K. S. Hankin
Uncertainty Analyst
University of Cambridge
19 Silver Street
Cambridge CB3 9EP

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