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RE: st: RE: RE: Stata formulas


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: RE: Stata formulas
Date   Wed, 28 Feb 2007 23:28:53 -0000

There is another answer, although you may not like it 
much. In the case of many commands implemented by ados 
you can look at the code. -viewsource- is one way to
do it. This isn't always easy when a calculation is 
spread across several lines of code or several different
programs, but it does answer quite a lot of questions. 

Your last comment has already been answered several times
over in this thread. Like it or not, StataCorp has invested
a vast amount in its documentation for sale and wholesale 
duplication of the manuals for open access just is not 
likely. We can all agree that it would be useful if it 
were there, but it is not going to happen. That's my 
guess, at least. 

Besides, your argument is contradictory. If StataCorp 
is using the same formulas as everybody else, then they 
can be found in the open literature. 

Nick 
n.j.cox@durham.ac.uk 

Ana Gabriela Guerrero Serdan
 
> So, it seems to me that there is no way to see which
> formulas Stata uses unless I buy the manuals? 
> 
> Well, the manuals are indeed necessary but from one
> hand they are expensive and as a student there are
> tradeoffs between buying stata manuals and other
> books. I could use the ones from my department but
> again there are many people using them as well. 
> 
> I think that basic things such as formulas should be
> available on the stata website...there is no reason
> why  not. Manuals are for the indepth use of stata and
> I dont think that publishing formulas will lower the
> demand for stata manuals. Besides, formulas are
> formulas and cannot be just invented. 

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