.
I agree we can do this manually
<http://www.ats.ucla.edu/stat/stata/webbooks/reg/chapter5/statareg5.htm>
without much difficulty, but it is a convenience to have the facility
to set the contrast type and do no more work, especially if the
software can automatically deal with factor variables.
Stata 11 is a very appealing and exciting upgrade regardless.
-Dave
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