[R-SIG-Mac] similar problems installing Rcmdr with R.

John Fox jfox at mcmaster.ca
Wed Sep 25 18:30:50 CEST 2013

Hi Rodney,

Unless you see a compelling reason not to, I think that I'll stick with the
current version of the instructions. The object is to have something simple
for unsophisticated users, and the current version of the troubleshooting
instructions are already a bit complicated.


> -----Original Message-----
> From: Rodney Sparapani [mailto:rsparapa at mcw.edu]
> Sent: Wednesday, September 25, 2013 11:27 AM
> To: John Fox
> Cc: 'Hebblewhite, Mark'; r-sig-mac at r-project.org; 'Simon Urbanek'
> Subject: Re: [R-SIG-Mac] similar problems installing Rcmdr with R.
> On 09/24/2013 07:57 PM, John Fox wrote:
> > Hi Rodney,
> >
> > I've added a section on "Mac OS X Trouble-shooting" to the Rcmdr
> > installation notes at
> > <http://socserv.socsci.mcmaster.ca/jfox/Misc/Rcmdr/installation-
> notes.html>,
> > with explicit instructions on the recent problems experienced by
> Sarah and
> > Mark. I'd appreciate it if you could take a look at this to see
> whether the
> > instructions are clear. Also, are there other cases that I should
> cover?
> >
> > Thanks,
> >   John
> Hi John:
> It looks pretty good to me; lot's of useful info.  I see that you have
> sudo chmod -R a+rX /usr/local
> as has been suggested.  It definitely makes sense; why have
> /usr/local if no one can actually do anything with it?  However,
> we are doing a bit more than fixing this issue at hand.  What if you
> said it this way?
> Having confirmed the problem, you can change the file permissions in
> /usr/local/lib by opening a terminal window on your Mac (Terminal.app
> is
> in the Applications Utilities folder) and entering the following
> command
> at the $ prompt in the terminal window:
>          sudo chmod -R a+rX /usr/local/lib
>      The operating system will ask you to supply your password to
> execute this command.
> File-permissions problems such as this may also occur
> when you attempt to install other R packages.  In that case, you
> might consider performing the same operation on the directories
> /usr/local/bin and/or /usr/local/include.  Since there is not
> much point having /usr/local if no one can actually use it, then
> you might consider altering the entire /usr/local hierarchy:
>          sudo chmod -R a+rX /usr/local
> But, now we have traveled pretty far afield from just Rcmdr...
> --
> Rodney Sparapani, PhD
> Manager of Statistical & Computational Operations
> Center for Patient Care and Outcomes Research (PCOR)
> Medical College of Wisconsin (MCW), Milwaukee, USA
> http://www.linkedin.com/in/rodneysparapani

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