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

From: Duncan Murdoch <murdoch_at_stats.uwo.ca>
Date: Sat, 12 Jul 2008 18:36:17 -0400

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



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