On Jan 5, 2009, at 10:37 , Ivan Alves wrote:

Dear Simon,

First of all many thanks for the guidance and more generally for the great stuff you do for the R Mac community.

On the environment, I have added the line you suggested to both .bash_profile and .profile, but R does not seem to be looking there (bash certainly does). Where does the GUI R get the environment definitions from?

See below.


And more generally where can I look more closely to the startup process for R GUI as I have not yet managed to get it to read the ~/.Rprofile file (and the definitions therein) properly [I have tinkered with the preferences with no success]


R GUI has nothing to do with the shell - that's a whole another story. I wasn't suggesting you set that PATH permanently at all - it is only meant for compiling things against GTK+ if you want to (it overrides some system commands, so it's not a good idea to do that permanently). Also I was referring to R CMD INSTALL or similar method (you didn't mention you are using the GUI at all). If you want to use the R.app GUI for this, clearly, you have to set it in R, e.g.:

Sys.setenv(PATH=paste("/Library/Frameworks/GTK+.framework/Resources/ bin",Sys.getenv("PATH"),sep=':'))


Now, this has nothing to do with your original question, but R.app is a Cocoa application so it is started by launchd (via LaunchServices) - it is not started from the shell, so all .profile/.bash/etc. are irrelevant here. You can, however, set custom environment variables using Environment.plist (see Apple QA1067 - it was also discussed on this list several times as you'll see if you look at the archives).


On the availability of the binary for RGtk2 on CRAN and its mirrors, I am afraid that it does not appear in the ones I have tried (Munchen and the first US). Should I be using another mirror that is more "complete"?


I don't know what you are referring to, all US mirrors have RGtk2 AFAICS and in fact they have rattle as well, see
http://cran.us.r-project.org/bin/macosx/universal/contrib/2.8/

You'll have to supply more details (at the very least sessionInfo() as we kindly ask you in the posting guide) if you want more help.


If I may, could I suggest an addition and one modification to the keyboard shortcuts for R GUI? The addition would be to add "run function definition", possibly as shift-cmd-return, to take multiline commands in R, something usually done for more involved call (such as aggregate, merge, etc.). Also, could the default cmd- return (or a variation of it) then move the cursor to the next command/uncommented line? This would reduce the required keystrokes of my tipical sessions by half. Many thanks in advance for considering this.


It is a good practice to not merge multiple entirely unrelated issues into one post. See archives for the discussion on <Cmd><Enter> and newline (feel free to comment) and for the former, please be more specific as of what it should do - "function definition" as a very vague term and if you want the GUI to find the function definition in the sources, then sure, contributed patches are highly welcome (in a separate thread, please).

Cheers,
Simon

ivan

On 5 Jan 2009, at 15:33, Simon Urbanek wrote:


On Jan 5, 2009, at 5:36 , Ivan Alves wrote:

Dear all,

Installing the dependencies of rattle (http://datamining.togaware.com/survivor/Install_Macintosh.html ), I encountered a problem installing the RGtk2 library from source. It appears that the GTK+ libraries can't be found by R (I had successfully installed the runtime libraries from http://r.research.att.com/) .

I would much appreciate some guidance as to how to get R to look in the right place (/Library/Frameworks/) for the the GTK+ shared objects. Many thanks in advance.



If you have your environment set correctly this is automatic. However, from your output it seems you don't so make sure you set something like:

export PATH=/Library/Frameworks/GTK+.framework/Resources/bin:$PATH

Also make sure you're not setting PKG_CONFIG_PATH anywhere (this is usually not the case, but it appears you have another pkg-config installed) and if you do (and want to use it), you must make sure the framework path to .pc is first.

Cheers,
Simon


(BTW: normally you should not need to install RGtk2 from sources since it's available on CRAN).



Kind regards,

Ivan

> install.packages("RGtk2",type="source")
trying URL 'http://lib.stat.cmu.edu/R/CRAN/src/contrib/RGtk2_2.12.7.tar.gz'
Content type 'application/x-gzip' length 2168446 bytes (2.1 Mb)
opened URL
==================================================
downloaded 2.1 Mb

* Installing *source* package 'RGtk2' ...
checking for pkg-config... /usr/local/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for LIBGLADE... no
configure: WARNING: libglade not found
checking for INTROSPECTION... no
checking for GTK... no
configure: error: GTK version 2.8.0 required
ERROR: configuration failed for package 'RGtk2'
** Removing '/Library/Frameworks/R.framework/Resources/library/ RGtk2'

The downloaded packages are in
/private/var/folders/CI/CIUrzruqFvKG37WOj2xd6E+++TI/-Tmp-/ RtmpqK95DC/downloaded_packages
Updating HTML index of packages in '.Library'
Warning message:
In install.packages("RGtk2", type = "source") :
installation of package 'RGtk2' had non-zero exit status

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