Re: [R] How to build a package which loads Rgraphviz (if installed)...

From: Søren Højsgaard <>
Date: Sun, 13 Jul 2008 00:45:48 +0200

The tricky part is not getting it through the checks on my computer. It is when I upload to CRAN I get the problems, because "their" computers need Rgraphviz as well... ("Suggests" does not seem to be the solution...)  


Fra: Duncan Murdoch [] Sendt: sø 13-07-2008 00:36
Til: Søren Højsgaard
Cc: William Revelle; Emne: Re: [R] How to build a package which loads Rgraphviz (if installed)...

On 12/07/2008 6:27 PM, Søren Højsgaard wrote:
> Bill,
> Thanks for the suggestion, but it does not solve the problem; I get the same warning from rcmd check. I suspect that rcmd check actually checks that any package referred to in require() is declared in the DESCRIPTION file. >From the version numbers from your 'psych' package I guess you are stuck with the same problem???

There are varying degrees of dependence. Probably "Suggests" is what you want.

Note that *you* need to have RGraphViz to make it through the checks, but other users won't need it.

Duncan Murdoch mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Sat 12 Jul 2008 - 22:55:48 GMT

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