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Re: st: first occurrence of the highest value
From
Alexis Penot <[email protected]>
To
"[email protected]" <[email protected]>
Subject
Re: st: first occurrence of the highest value
Date
Thu, 19 Sep 2013 20:48:02 +0200
I suggest
sort ptid wbc_gr
generate maxpos=1 if wbc_gr==max_wcgr & wbc_gr!=wbc_gr[_n-1]
Alexis
> Le 19 sept. 2013 à 20:38, "Marginean, Horia" <[email protected]> a écrit :
>
> Dear Statalist,
>
> I am relatively new to Stata and have difficulties solving this problem.
> Below is the status of on ptid that has encountered toxicity grade 1 , 2, 3 -- wbc_gr
> I would like to create a vlb that will identify the first occurrence of the highest value (grade). Vlb max_wbcgr was created -- bysort ptid: egen max_wbcgr = max( wbc_gr ) - to identify the highest grade.
>
> As well as a particular case - to identify the occurrence of a specific grade.
>
> wbc_gr max_wbcgr
> -------------------
> 1 3
> 2 3
> 2 3
> 3 3
> 3 3
> . 3
> . 3
> . 3
> . 3
> . 3
> +-------------------+
>
> Many thanks in advance for your help!
> I am using Stata version 12.1 windows XP
>
> Horia
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