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Re: Matrix question

from [Chushu Gu] [Permanent Link][Original]
To: <s-news@lists.biostat.wustl.edu>
Subject: Re: Matrix question
From: "Chushu Gu" <chushugu@hotmail.com>
Date: Sat, 25 Oct 2003 01:05:18 -0700
Dear All,
 
I have a matrix
 
T T F T
T T T T
T T F T
T F T F
F T T F
T F F T
F T F F
 
What I need is to get the first F location in every column. The result I want is (5,4,1,4), How I use "which" to conquer this problem?
 
Chushu Gu
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