I understand now. 
This is an old story. Stata ain't good 
at guessing at what you mean. It takes 
rather literally whatever you say. If you say 
zero frequency, but don't really mean it, it 
isn't subtle on the difference. 
Some of us who would wash our socks with Stata 
if it was supported don't like to think 
of "other packages". How about 
. table agentname agecat, c(sum AnnAvgActT) 
Nick 
[email protected] 
Nick,
It seems to work!  This will be saving me quite a lot of time.
Thank you,
Cornelia
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