[R] Are you experienced in SAS and R as well? Which of these would you recommend me?
bates at stat.wisc.edu
Fri Nov 23 17:41:42 CET 2001
I have enjoyed reading this discussion of SAS and R. I would add two
points regarding SAS.
- At a conference this summer I attended a presentation by a person
from SAS Institute on "What's coming in SAS version 9?". (Many of
you may know that SAS uses odd numbers for beta test versions and
even numbers for production releases so version 9 is the beta for
the production release 10.0). The main enhancements in version 9
will be in graphics and choice of graphical presentation. The
speaker explicitly said that this meant you wouldn't have to have
both SAS for the analysis and S-PLUS for the graphics. Apparently
SAS Institute views the strengths of the S language as being in the
area of graphics. Perhaps it is not surprising that they don't
think of flexibility of analysis as an advantage of the S language.
- In terms of data management SAS seems to be moving to SQL with their
PROC SQL and links to various databases. I have found that Open
Source SQL databases, notably PostgreSQL and, to a lesser extent,
MySQL are much more flexible and easier to use than SAS for data
management. When working with very large data sets I prefer to
store the data in PostgreSQL and do the data manipulation there then
import parts of the data into R for analysis.
Douglas Bates bates at stat.wisc.edu
Statistics Department 608/262-2598
University of Wisconsin - Madison http://www.stat.wisc.edu/~bates/
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