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Re: st: Multiple imputation int() option in ICE
From
Alberto Osella <[email protected]>
To
[email protected]
Subject
Re: st: Multiple imputation int() option in ICE
Date
Thu, 18 Nov 2010 12:02:53 +0100
Il 18/11/2010 11.44, A Loumiotis ha scritto:
and something more... the bound variables should be equal to BMI when
BMI is not missing.
On Thu, Nov 18, 2010 at 12:35 PM, A Loumiotis
<[email protected]> wrote:
I think you should include your bound variables in the mainvarlist:
ice BMI LL_BMI UL_BMI NewStatCiv Professione1 TitStudio Num_nucleo , ///...
On Thu, Nov 18, 2010 at 12:27 PM, Alberto Osella
<[email protected]> wrote:
Dear Statalisters,
I'm using Stata 11.1 running on a Windows XP PC. I wisho to impute a data
set wit missing data in several variables of diferente type; one of them
(BMI) is a continuos variables with a normal distribution. Obviuosly I
should to bound BMI because there are some impossible values as 0 or 1000. I
wrote the following code using -ice-:
gen LL_BMI=15.32 (minimun value of BMI in my dataset)
gen UL_BMI=48.89 (maximun value of BMI in my dataset)
ice BMI NewStatCiv Professione1 TitStudio Num_nucleo , ///
m(20) cmd(BMI Num_nucleo: regress,
Professione1 NewStatCiv:mlogit, ///
TitStudio:ologit)
int(BMI:LL_BMI UL_BMI ) saving(imputed, replace)
but Stata return the following messagge:
LL_BMI is not a valid covariate
r(198);
Can you helop 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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Thanks a lot A Loumiotis. It works!!!!
--
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]
____________
Controllo virus eseguito da G Data AntiVirus
Versione: AVA 21.3335 del 18.11.2010
Info nuovi virus: www.antiviruslab.com
*
* For searches and help try:
* http://www.stata.com/help.cgi?search
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/