st: do group identifiers identify the same groups?

[Jeph Herrin <junk@spandrel.net>]

Seems this should be easy, but the only solutions I
can think of are tedious.

I have two group identifiers in my data of 108k
observations. I would like to verify that that
they identify the same groups - there are about
800 groups, which rules out the simple inspection
routes.

Thanks in advance for any tips.

cheers,
Jeph



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