[R] (no subject)

Stavros Macrakis macrakis at alum.mit.edu
Sat Apr 18 21:41:10 CEST 2009


> mylist <- c( 2,1,3,5,4 )        <<< make a vector of numbers
> sort(mylist)
[1] 1 2 3 4 5                           <<< in sorted order

> mylist <- c( "this", "is", "a", "test")
> sort(mylist)
[1] "a"    "is"   "test" "this"      <<< in sorted order
> order(mylist)
[1] 3 2 4 1                     <<< original positions, e.g. mylist[3] is "a"


On Sat, Apr 18, 2009 at 10:46 AM, Dan Cary <daniel_cary at hotmail.co.uk> wrote:
> ...all i want to know is how to arrange a set of numbers in size order without putting them in a table. just arranging them from for e.g. 2,1,3,5,4 into 1,2,3,4,5 - it must be simple but i cant find how to do it anywhere




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