Re: st: counting across individuals within groups

[Buzz Burhans <wsb2@cornell.edu>]

At 01:10 PM 1/30/03 -0600, you wrote:
> Buzz Burhans (wsb2@cornell.edu) wrote:
>
> > I would appreciate help with creating the following value, I can't seem to
> > get it right:

I am very grateful to  Nick Cox , Shannon Driver, and Lee Sieswerda for 
their time and thoughts on generating a count of  a cohort of cows in a 
pen  at their individual exits.  All three solutions, -slightly different 
in resulting count (depending on  whether with or without the exiting cow 
included in the cohort and presence of ties), will get me what I need.  I 
will confess my own attempts had me spinning, and I really appreciate the 
assistance.

Thank you all very much!

Buzz Burhans
Department of Animal Science
Cornell University

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