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st: How to standardize a variable with a define mean
From
Alberto R Osella <[email protected]>
To
"[email protected]" <[email protected]>
Subject
st: How to standardize a variable with a define mean
Date
Wed, 01 Feb 2012 10:44:25 +0100
Dear Statalisters,
I want to standardize a variable (BMI) with a given mean value. I've
obtained that value from a -summarize- command, that is r(mean).
Now I want to pass the value of r(mean) to the egen command. Here the
commands and the error returned by Stata.
. sum BMI
. scalar meanbmi=r(mean)
. display meanbmi
25.8435
. egen stdbmi=std(BMI), mean(meanbmi) std(1)
option mean() incorrectly specified
r(198);
I'd want to do this automatically. Can someone help me?
Thank you in advance
--
Alberto R. Osella, MD, PhD
Laboratorio di Epidemiologia e Biostatistica
IRCCS Saverio de Bellis
Via Turi, 27
70013 Castellana Grotte (BA)
Italia
Tel: +39 0804994655
Fax: +39 0804994650
e-mail: [email protected]
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