Your own solution was to -merge- the data with a version of itself.
That's very Stataish and wins good marks for style!
Nick
[email protected]
Teresio Poggio
Well, that's the difference between providing a sandwich and haute
cuisine... ;-)
Thanks Nick for the mundane way to do it (and for poetry as well).
Teresio
On Mon, May 19, 2008 at 4:48 PM, n j cox <[email protected]> wrote:
> .
>
> A more mundane solution uses -by:-.
*
* 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/