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Re: st: RE: Scoring


From   "Ziad El-Khatib" <Ziad.El-Khatib@ki.se>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Scoring
Date   Thu, 15 Nov 2007 04:05:28 -0800

Hi Nick,
Thank your prompt reply. My apologies for not explaining well myself.

Scoring = to have sum of n pills at week 24.
Week 24 data is included, i.e.
4,8,12,16,20 & 24


Thank you in advance and best regards
ziad


On Nov 15, 2007 3:02 AM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> This does not seem a complete question.
>
> What you mean by scoring?
>
> Do you have data for week 24 or not?
>
> If you do not, how do you expect to predict week 24 from other weeks?
>
> Nick
> n.j.cox@durham.ac.uk
>
> Ziad El-Khatib
>
> I am trying to find a way to score number of pills intake per patient
> (cohort study) at week24:
> npill1 and npill2 are variables with values 0 or 1 (i.e. took pills or
> not) week number are 4,8,12,16
>
> studyid     week    npill1      npill2
> 1001          4          1            1
> 1001          8           0           1
> 1001          12        0             0
>
> etc..
>
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>



-- 
Ziad El-Khatib
AIDS Unit
National Institute for Communicable Diseases (NICD)
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Division of International Health (IHCAR)
Karolinska Institutet
www.phs.ki.se/ihcar
*
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