[R] Ordering data by variable

[Joshua Wiley]

Hi Marcio,

Is this what you want?

x <- c(2,6,8,8,1)
y <- c(1,6,3,5,4)
o <- order(x)

# If you want each vector order by x
x[o]
y[o]

You can also use sort(), but then each vector would be sorted by
itself, not both by x.

HTH,

Josh

On Thu, Sep 2, 2010 at 1:48 PM, Mestat <mestat at pop.com.br> wrote:
>
> Hi listers,
> I could order a data that like this:
> x<-c(2,6,8,8,1)
> y<-c(1,6,3,5,4)
> o<-order(x)
> frame<-rbind(x,y)[,o]
> But, I would like to know if there is a way to order my data without setting
> up a data frame. I would like to keep independent vectors x and y.
> Any suggestions?
> Thanks in advance,
> Marcio
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/