[R] index of max value ?

Corey Moffet cmoffet at nwrc.ars.usda.gov
Fri Nov 14 20:40:59 CET 2003


?which

v <- c(6,  -3,  -6,  15,   7,   9,   0 -19)
v
which(v == max(v))


At 02:05 PM 11/14/2003 -0500, ryszard.czerminski at pharma.novartis.com wrote:
>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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>
With best wishes and kind regards I am

Sincerely,

Corey A. Moffet
Rangeland Scientist

USDA-ARS
Northwest Watershed Research Center
800 Park Blvd, Plaza IV, Suite 105
Boise, ID 83712-7716

Voice: (208) 422-0718
FAX:   (208) 334-1502




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