--- On Wed, 12/8/09, Sergiy Radyakin wrote:
> what is the precision with which the locals are stored in
> Stata? Help page for datatypes lists precision for
> doubles. Does it apply to locals? Help page for limits
> does not answer this either.
A discussion of this can be found in (Gould, Pitblado, and
Sribney 2003) page 83: "Macros provide about 12 digits of
accuracy, sometimes more but never less. Scalars are full
double-precision binary numbers, meaning they provide about
16.5 digits of accuracy in all cases"
Hope this helps,
Maarten
William Gould, Jeffrey Pitblado, and William Sribney (2003)
Maximum Likelihood Estimation with Stata, second edition.
College Station: Stata Press.
-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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