st: RE: RE: RE: list subjects with a similar value

["Marino, Jennifer" <jmarino@fhcrc.org>]

Whoops, of course you're right. When I play with things to work out code
I usually don't keep the changes, so I mangle working datasets
willy-nilly and didn't think to change the conditioned keep to a
conditioned list.  
The use of bysorting and _N is much neater and more flexible. 

N.J.Cox wrote:
>Whoa! The question was just about _listing_. 
>You just changed Raoul's dataset by throwing 
>much of it away. 


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