[R] index of max value ?

[James MacDonald]

which(v==max(v)) should do the trick.

HTH,

Jim



James W. MacDonald
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109
734-647-5623

>>> <ryszard.czerminski at pharma.novartis.com> 11/14/03 02:05PM >>>
Is there a function in R, which would return index of maximum value
in a vector ?

e.g.

> v <- round(10*rnorm(8))
> v
[1]   6  -3  -6  15   7   9   0 -19
> max(v)
[1] 15

??? index.max(v)
??? 4

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