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Re: st: gen..replace over period of time


From   "Ziad El-Khatib" <Ziad.El-Khatib@ki.se>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: gen..replace over period of time
Date   Mon, 19 May 2008 09:58:29 -0700

Thank you all!

I just tried & option and was about to confirm and saw Nick's reply.
Thank you again and best regards
ziad


On Mon, May 19, 2008 at 9:51 AM, n j cox <n.j.cox@durham.ac.uk> wrote:
> I don't know what adherence level is, and thus I don't know
> whether -pillcount < 95- defines adherence level.
>
> However,
>
> (week >= 2 | week <= 24)
>
> does not mean "during weeks 2-24".
>
> | means "or". You want & for "and".
>
> Nick
> n.j.cox@durham.ac.uk
>
> Ziad El-Khatib
>
> My dataset has different time points, weeks 2,4,8,12,16,20,24,36 and
> 52 weeks on treatment.
> I want to look at the adherence level during the weeks 2-24, I tried
> this code, but it didn't give me what I wanted:
>
> gen adherence =0
> replace adherence =1 if pillcount <95 & (week>=2|week<=24)
>
>
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