Re: [Rd] Precompiled vignette on CRAN

From: Prof Brian Ripley <>
Date: Wed, 14 Jul 2010 21:04:37 +0100 (BST)

On Wed, 14 Jul 2010, Felix Schönbrodt wrote:

> Hello,
> my package passes R CMD check without any warnings on my local
> machine (Mac OS), as well as on Uwe Ligges' Winbuilder. On RForge,
> however, we sometimes run into problems building the Sweave
> vignettes.

Just 'problems' is not helpful.

> Now here's my question: is it necessary for a CRAN submission that
> the Sweave vignettes can be compiled on CRAN, or is it possible to
> provide the (locally compiled) pdf vignette to be included in the
> package?

This really is a question to ask the CRAN gatekeepers, but people are on vacation right now, so I've give some indication of my understanding.

What does 'compiled' mean here? (Run through LaTeX? Run the R code?) There are examples on CRAN of packages which cannot re-make their vignettes without external files (e.g. LaTeX style files), or take hours (literally) to run the code. The source package should contain the PDF versions of the vignettes as made by the author.

There is relevant advice in 'Writing R Extensions'.

What the people who do the CRAN package checks do get unhappy about are packages which fail running the R code in their vignettes, since this often indicates a problem in the package which is not exercised by the examples nor tests. This gives a warning, as you will see in quite a few CRAN package checks.

Brian D. Ripley,        
Professor of Applied Statistics,
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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