Re: st: transformations in commands

[David Jacobs <jacobs.184@sociology.osu.edu>]

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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> *
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