SAS or R software
There was at least one previous discussion of SAS vs. R on this list. I searched my archives (below). The thread begins at http://finzi.psych.upenn.edu/R/Rhelp01/archive/5947.html but then changes title. Two arguments for SAS: 1. You may be working with other people who use it. (That is why many of my colleagues use it, aside from inertia and [rational - since they have no choice] ignorance of alternatives.) 2. It used to be true, and it may still be true, that SAS compiles all code before running it, whereas R uses many compiled routines but does not compile the code you write yourself. Thus, SAS may be faster for huge data sets, like census data. Jon
Jonathan Baron, Professor of Psychology, University of Pennsylvania Home page: http://www.sas.upenn.edu/~baron R search page: http://finzi.psych.upenn.edu/