
Hello everybody,
I need to have two different versions of R on Mac OS X Leopard and Snow Leopard, namely R 2.12 and 2.8, because I have some packages that don't work properly with one or the other version. How can install them both without having the more recent overwrite on the older one? It seems Mac OS X lets me have only one release.
Thank you very much in advance for your help!Emanuele 		 	   		  
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