[R] Comparing R and SAs

2009-06-10 Thread jude.ryan
Satish, For a comparison of SAS and S, see the document "An Introduction to S and the Hmisc and Design Libraries" by Carlos Alzola and Frank E. Harrell. Frank Harrell is an expert in both SAS and R. You can download this document from http://www.r-project.org/, then click on manuals, and then c

Re: [R] Comparing R and SAS

2009-06-10 Thread Terry Therneau
Satish, There are nearly as many opinions as people on this question. So accept these as my views only. 1. I have written S packages, SAS procedures and SAS macros over my career. S was specifically designed for extensibility and it shows. The ratio of time to get a new statistical i

[R] Comparing R and SAs

2009-06-09 Thread Vadlamani, Satish {FLNA}
Hi: For those of you who are adept at both SAS and R, I have the following questions: a) What are some reasons / tasks for which you would use R over SAS and vice versa? b) What are some things for which R is a must have that SAS cannot fulfill the requirements? I am on the ramp up on both of