[R] How to sort a dataframe?

Chuck Cleland
Mon, 07 Apr 2003 18:11:29 -0000

Remko Duursma wrote:
> for the purpose of plotting a dataframe, i am trying to sort a dataframe by
one column, for example
>
> tester <- data.frame(one=c(3,2,1), two=c(2,3,1))
>
> #> tester
> #  one two
> #1   3   2
> #2   2   3
> #3   1   1
>
> # I want to sort "tester" by column "one", so that i
get a dataframe
> # that looks like:
> #one two
> #1    1
> #2    3
> #3    2

Remko:

   First examine the results of the following:

order(tester[,1])

   Then try this:

tester[order(tester[,1]),]

   See ?order.

hope it helps,

Chuck Cleland