--- On Thu, 4/2/10, Nelson, Carl wrote:
> the question arose why scalars must be dereferenced
> like local macros. But I can't find any documentation
> of function evaluator programs. I am writing to ask
> if someone can direct me to references that would
> improve my understanding of this issue.
A good place to start is the entry for -scalar- in the
programming manual (p. 374 and further for the Stata 11
version). You can also look at Gueorgui I. Kolev (2006)
Stata tip 31: Scalar or variable? The problem of
ambiguous names. The Stata Journal, 6(2): 279--280.
<http://www.stata-journal.com/article.html?article=dm0021>.
Hope this helps,
Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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