On Tue, Mar 10, 2009 at 1:17 PM, Martin Weiss <[email protected]> wrote:
>
> <>
>
> Correction, forgot the comma...
>
>
> *************
> by Z, sort: ta A B
> *************
Or even...
bysort Z :ta A B
;-)
Neil
--
"The combination of some data and an aching desire for an answer does
not ensure that a reasonable answer can be extracted from a given body
of data." ~ John Tukey (1986), "Sunset salvo". The American
Statistician 40(1).
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