[R] max and in the zoo package

[Gabor Grothendieck]

Try this:

> library(zoo)
> set.seed(1)
> z <- zoo(rnorm(100), as.Date(0) + 1:100)
> mx <- z[which.max(z)]; mx
1970-03-03
  2.401618
> coredata(mx)
[1] 2.401618
> time(mx)
[1] "1970-03-03"

On Sat, Feb 13, 2010 at 3:39 PM, Edouard Tallent <tallent_e at lycos.com> wrote:
> hi everyone.
> i am dealing on a zoo-class object.i am aware of the 'min' and 'max' function to get the minimum and the maximum values.getting these maximum and minimum values is ont thing.but, how to get the (zoo) dates these values occur ?
> in fact, in analysing a time series i am interested in the particular (extreme) values AND in the moments they happen.
> regards.edouard.
>
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