Common idioms like [_n - 1] show
that expressions that vary with observation
are OK. It may be that there are no examples
with _variables_ in the manual or on-line help:
counter-examples welcome. As implied, I imagined
I learned this from looking inside the code.
Nick
[email protected]
Scott Merryman
> Nick and Ernest,
>
> Thank you for the explanations. I was under the impression that the
> explicit subscripting "function" would only evaluate numbers
> or the built-in
> variables _n and _N.
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
