Re: [R] how do I find the row index number, or row name, of a given value in a vector?

From: tom soyer <tom.soyer_at_gmail.com>
Date: Sat 21 Oct 2006 - 16:07:10 GMT

Thanks John! I got it.

On 10/21/06, John Kane <jrkrideau@yahoo.ca> wrote:
>
>
> --- tom soyer <tom.soyer@gmail.com> wrote:
>
> > Hi,
> >
> > I noticed that max(x) returns the maximum value of a
> > vector, but the
> > function doesn't give the user the option of
> > retrieving the row index number
> > instead. If I used max(x) to find the maximum value
> > of vector x, then is
> > there a function I can use to find the index number,
> > or row name, of the
> > maximum value?
> >
> > Thanks,
> >
> > Tom
> ?which
>
> Is this what you want to do?
> xx <- c(1,2,3,4,9,6,7,5)
> bb <- max(xx)

> bb
> which(xx==bb)
>
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