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Re: another vector question

To: "Leeds, Mark" <mleeds@mlp.com>, s-news@lists.biostat.wustl.edu
Subject: Re: another vector question
From: "Richard M. Heiberger" <rmh@temple.edu>
Date: Fri, 10 Jun 2005 16:30:32 -0400
Cc: cspark@clemson.edu
> x <- sample(12)
> x
 [1] 10  5  3  1  9 11  8  2 12  6  4  7
> which(x>9)
[1] 1 6 9
> ii <- 5:7
> ii
[1] 5 6 7
> which(x[ii] > 9)
[1] 2
> jj <- which(x > 9)
> jj
[1] 1 6 9
> ii[which(x[ii] > 9)]
[1] 6

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