levelsof hhid, local(lev)
foreach h of local lev {
unique id if hhid==`h' /* make this "`h'" if hhid is string */
}
Hope this helps
David
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Shige Song
Sent: 19 April 2006 15:58
To: [email protected]
Subject: st: "unique" with "by"
Dear Collegues,
I want to get count of unique values of a variable and I want to use it
conjuction with "by" like this:
sort hhid
by hhid: unique id
But unfortunately the UNIQUE command does not allow the use of "by".
Are there other options? Thanks!
Best,
Shige
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