Hi Ann-Renee, It's hard to know what the problem is without knowing the exact error message, but you might need to install tcltk for the R on the Mac. You can do so by going to the following page: http://cran.r-project.org/bin/macosx/tools/ There you can download the "tcltk-8.5.5-x11.dmg" file, load it, and follow the instructions. Once you do that, you can try loading Amelia again in the same way. If the problem persists, send along the error message and we can look into it. Hope that helps! Cheers, matt. ~~~~~~~~~~~ Matthew Blackwell Institute for Quantitative Social Science Department of Government Harvard University url: http://www.mattblackwell.org On Wednesday, June 13, 2012 at 9:02 PM, Ann-Renee Blais wrote: Matt, I did exactly what you suggested on my Mac, but I too get the error message described previously and nothing actually happens... AmeliaView() Loading required package: tcltk Loading Tcl/Tk interface ... Can anybody help? Thanks! Ann-Renee Blais -- Amelia mailing list served by HUIT [Un]Subscribe/View Archive: http://lists.gking.harvard.edu/?info=amelia More info about Amelia: http://gking.harvard.edu/amelia Amelia mailing list Amelia(a)lists.gking.harvard.edu <javascript:_e({}, 'cvml', &#x27;Amelia(a)lists.gking.harvard.edu&#x27;);&gt; https://lists.gking.harvard.edu/mailman/listinfo/amelia