[R] Extracting part of an array

From: Poizot Emmanuel (poizot@cnam.fr)
Date: Wed 19 Jun 2002 - 00:10:12 EST

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Message-id: <200206181419.QAA05970@stat.math.ethz.ch>

Hi,
I've got a trivial question ,but as a newby, I'm stuk.
I've got an array of dim 160,4. I want to extract the values of the first
column based on a condition of values in the second column and affect the
result to a variable.

E.P.
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