[R] Ordering zoo-object by its index

Gabor Grothendieck ggrothendieck at gmail.com
Thu Jul 9 12:52:56 CEST 2009


To display that object in reverse time order try this:

as.data.frame(Data)[nrow(Data):1, ]


On Thu, Jul 9, 2009 at 5:21 AM, Sergey Goriatchev<sergeyg at gmail.com> wrote:
> Hello everyone,
>
> Say I have zoo object
>
> x.Date <- as.Date("2003-02-01") + c(1, 3, 7, 9, 14) - 1
> x <- zoo(rnorm(5), x.Date)
> y <- zoo(rt(5, df=2), x.Date)
> z <- zoo(rt(5, df=5), x.Date)
>
> Data <- merge(x,y,z)
>
> What should I do to make the latest values appear at the top?
>
> Thank you for your help!
>
> Regards,
> Sergey
>
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