Message-ID: <Pine.LNX.4.10.9912071753490.2138-100000@localhost.localdomain>
Date: 1999-12-07T17:19:00Z
From: Göran Broström
Subject: Finding indices with a certain property
I want the indices i for which x[i] < 0 (say):
> x <- c(1, -1, 3, 3, -2)
> where.negative(x)
[1] 2 5
Surely where.negative is something simple, but how?
G?ran
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G?ran Brostr?m
Department of Statistics tel: +46 90 786-5223
Ume? University fax: +46 90 786-6614
S-90187 Ume?, Sweden e-mail: gb at stat.umu.se
http://www.stat.umu.se/~gb ftp://capa.stat.umu.se
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