[R] Dep setting for install of packages... EOT (I think) and my thanks

[Gabor Grothendieck]

You can put the code on several lines as shown or on one line.  Does
not matter.

Read the info on the dependencies= arg in ?install.packages
for the definitive explanation of how dependencies= works.

On Mon, Oct 20, 2008 at 9:32 AM, Brian Lunergan <ff809 at ncf.ca> wrote:
> Gabor Grothendieck wrote:
>>
>> leaps is not in Depends or Imports for car.  It is in Suggests
>> and those don't get automatically pulled in when dependencies = NA.
>>
>> What you could do is to replace the builtin menuInstallPkgs with
>> your own by running this:
>>
>> assignInNamespace("menuInstallPkgs", function (type =
>> getOption("pkgType")) {
>>    install.packages(NULL, .libPaths()[1], dependencies = TRUE, type =
>> type)
>> }, ns = "utils")
>>
>> You will need to do that in every session that you want to use the install
>> menu or you could just add it to your Rprofile.site file which you
>> can find by running this:
>>
>> file.path(R.home(), "etc", "Rprofile.site")
>
> So, if I'm understanding this correctly, for a simple, one libpath()
> situation like mine dep = NA will catch depends and imports, while dep =
> TRUE will catch those two plus anything under suggests. From prior
> discussion and suggested reading I take it I would use dep = FALSE to catch
> the first two if I had multiple locations in libpath() while dep = TRUE
> behaviour would stay the same.
>
> In putting the above code snippet into the Rprofile file, does it need to be
> all on one line or can it spread over multiple lines as it appears above?
>
> My thanks for your time and patient assistance in finding the answers. It is
> very much appreciated and useful.
>
> Regards...
> --
>
> Brian Lunergan
> Nepean, Ontario
> Canada
>
>
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