Guenther, Cameron wrote:
> Hello,
> I have a much larger dataset that is similar in form to:
> year species length count
> 1998 1150 1
> 1998 2200 1
> 1998 3250 2
> 1999 1150 3
> 1999 2200 4
> 1999 3250 5
>
Try this:
> x
year species length count
1 1998 1 150 1
2 1998 2 200 1
3 1998 3 250 2
4 1999 1 150 3
5 1999 2 200 4
6 1999 3 250 5
7 2000 1 150 1
8 2000 2 200 1
9 2000 3 250 1
10 2001 1 150 2
11 2001 2 200 3
12 2001 3 250 1
13 2002 1 150 1
14 2002 2 200 2
15 2002 3 250 3
> y <- unlist(lapply(seq(nr
See ?order, e.g.,
(a <- expand.grid(1998:2000,1:2,1:3))
attach(a)
(b <- a[order(Var1,Var3,Var2),])
Hank
On Oct 18, 2005, at 3:20 PM, Guenther, Cameron wrote:
> Hello,
> I have a much larger dataset that is similar in form to:
> year species length count
> 1998 1150 1
> 1998
Hello,
I have a much larger dataset that is similar in form to:
year species length count
1998 1150 1
1998 2200 1
1998 3250 2
1999 1150 3
1999 2200 4
1999 3250 5
2000 1150 1
2000 220
