Re: st: Time-splitting problem

[Morten Støver <morten.stover@ntnu.no>]

It worked. Thanks a lot!

Maarten buis wrote:
> --- On Tue, 8/2/11, Morten Stover wrote:
>   
> > I'm doing an analysis where I want to split up the follow
> > up-time in three parts. So my original model is like this:
> > xi: xtmelogit up KJONN dev_lag1 year_92 year_92_kv, ||
> > bosted:, covariance(independent) || year:,
> > covariance(independent) or variance
> >
> > My time-variable is year_92 and goes from 0 to 15, and I
> > guess the code (for the first part) should be
> > if year_92==0 | year_92==1 | year_92==2 | year_92==3 |
> > year_92==4 | year_92==5
> >     
>
> I see three opportunities to write this shorter and easier
> to read (there may be more):
>
> if inlist(year_92, 0, 1, 2, 3, 4, 5)
>
> if year_92 <= 5
>
> if inrange(year_92, 0, 5)
>
>   
> > My problem is that I really don't know where to put it, and
> > whatever I try, I get "option if not allowed r(198);"
> > I am using Stata10
> >     
>
> You put it before the || and the comma:
>
> xtmelogit up KJONN ... if ...  || ... ,  ...
>
> *-------------------- begin example ------------------ 
> webuse bangladesh, clear
> xtmelogit c_use urban age child* if age > -12 ///
>           || district: urban, cov(unstruct)
> *-------------------- end example --------------------
> (For more on examples I sent to the Statalist see: 
> http://www.maartenbuis.nl/example_faq )
>
> Hope this helps,
> Maarten
>
> --------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
>
> http://www.maartenbuis.nl
> --------------------------
>
>
>       
>
> *
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>   

--
Morten Støver
MA, PhD Student
Department of Public Health and General Practice
Faculty of Medicine 
Norwegian University of Science and Technology
Medisinsk teknisk forskningssenter
N-7489 Trondheim
Tel +47 73597525

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