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Re: st: transformations in commands


From   David Jacobs <jacobs.184@sociology.osu.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: transformations in commands
Date   Fri, 02 Jun 2006 13:01:12 -0400

I can't speak for R, but EViews lets the user perform all sorts of transformations in the command syntax and this is a particularly handy feature.

After many years using both EViews and Stata I strongly agree with Alan's implicit claims about how useful this feature is.

Dave Jacobs


At 12:25 PM 6/2/2006, you wrote:

Alan--
You could roll your own, by writing a wrapper for each regression
command that parses expressions, generates tempvars, and labels them
with the relevant expression.  Don't users of R have to program their
own stuff every time?

On 6/2/06, Feiveson, Alan H. (JSC-SK311) <alan.h.feiveson@nasa.gov> wrote:
Hi  - I have been demonstrating the wonders of Stata to users of R and
have been embarrassed by their criticism of  Stata's inability to
transform a variable within the syntax of a command. For example reg y
log(x) won't work. The variable z=log(x) must be generated first. I'm
curious as to whether other statistical software besides R allows this
sort of thing. At any rate, I would strongly urge Stata Corp. to
incorporate this sort flexibility.

Al Feiveson

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