Thank you Nick. Your suggestion worked exactly as I wanted it.
-----Original Message-----
From: Nick Cox [mailto:[email protected]]
Sent: Wednesday, October 15, 2003 2:54 PM
To: [email protected]
Subject: st: RE: ? loop
This could be classified as a question on multiple responses
in the sense of http://www.stata.com/support/faqs/data/multresp.html
If you just want to count therapies used,
egen ntherapies = neqany(cya aza pred2 okt_p mmf tli), val(2)
tab ntherapies
If you want to keep track of which are used,
gen therapies = ""
foreach v of var cya aza pred2 okt_p mmf tli {
replace therapies = therapies + "`v'" if `v' == 2
}
tab therapies
Nick
[email protected]
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