[R] Locate first index

[Giovanni Petris]

((1:length(corretor))[corretor==27])[1]

should also work, and avoids computing table. 

Giovanni Petris

> Date: Fri, 19 Sep 2003 15:15:50 -0300 (BRT)
> From: Cezar Augusto de Freitas Anselmo <cafa at ime.unicamp.br>
> Sender: r-help-bounces at stat.math.ethz.ch
> Precedence: list
> 
> Hi, all. I'd like to know if exists a manner to get the first index where
> a condition is attained in a vector. For example,
> 
> There is a better solution than 
> 
> first.index <- table(subject[corretor==27])[1]
> 
> (give me the subject for the first time that corretor is 27)?
> 
> Thanks,
> 
> ========================================
> Cezar Freitas (ICQ 109128967)
> IMECC - UNICAMP
> Campinas, SP - Brasil
> 
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