Using R 3.0.1 on a Mac OS X 10.8.3 I have been unable to load the package Rcmdr.
I am not a regular Mac user, but I need to be able to help my students who have Macs install R and Rcmdr to use it in my Intro Stats class. To that end, this week I have been working on a Mac from our loaner pool. I have been able to successfully install Rcmdr on Macs of all OS X types with previous versions of R, so this is a new problem for me. Note that before attempting to install or load Rcmdr I installed XQuartz and I can plot to a graphics window without any problems so I assume it is working properly. Following the directions on http://socserv.mcmaster.ca/jfox/Misc/Rcmdr/installation-notes.html I have been able to install the Rcmdr package without apparent problems. But when I attempt to load the Rcmdr package, either with the Package Manager or by typing > library(Rcmdr) I get the following error messages: Loading required package: car Loading required package: MASS Loading required package: nnet Error : .onLoad failed in loadNamespace() for 'tcltk', details: call: dyn.load(file, DLLpath = DLLpath, ...) error: unable to load shared object '/Library/Frameworks/R.framework/Versions/3.0/Resources/library/tcltk/libs/tcltk.so': dlopen(/Library/Frameworks/R.framework/Versions/3.0/Resources/library/tcltk/libs/tcltk.so, 10): Library not loaded: /usr/local/lib/libtcl8.6.dylib Referenced from: /Library/Frameworks/R.framework/Versions/3.0/Resources/library/tcltk/libs/tcltk.so Reason: no suitable image found. Did find: /usr/local/lib/libtcl8.6.dylib: stat() failed with errno=13 /usr/local/lib/libtcl8.6.dylib: stat() failed with errno=13 Error: package or namespace load failed for Rcmdr It looks to me like Rcmdr is attempting to load a tcltk CRAN package which no longer exists with R 3.0.1 (which is now bundled with Tck/Tk 8.6.0). One of the many things I have tried is installing tcltk-8.5.5-x11.pkg<http://cran.cnr.berkeley.edu/bin/macosx/tools/tcltk-8.5.5-x11.pkg>, but, as warned, that did not work. I have contacted the Rcmdr package author who suggested that I uninstall R (which was an adventure in and of itself) and reinstall it, but I had the same exact problems. He also suggested that I seek help on the R Mac OS X help list and so here I am. I am hoping someone can point me toward a solution as the start of the semester is nearly upon us. Thank you, Sarah Hardy -- Sarah Hardy, PhD Associate Professor of Mathematics University of Maine Farmington 207-778-7124 Office: Brinkman 100 [[alternative HTML version deleted]]
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