[R] Newbie Question on making subsets for every element of a table column
Petr Savicky
savicky at cs.cas.cz
Tue Apr 24 08:38:48 CEST 2012
On Mon, Apr 23, 2012 at 02:33:22PM -0700, cyclondude wrote:
> Yes. That is what I was looking for. Is there a simple way to (in this
> scenario)
>
>
> > out[[1]]
>
> v1 v2
> 1 a 1
> 4 a 2
> 7 a 3
>
> > a <- out[[1]]
>
> for each one?
Hi.
If you want to generate variable names by a script, then try
dat <- expand.grid(v1=letters[1:3], v2=1:3)
for (var in unique(as.character(dat$v1))) {
assign(var, subset(dat, v1 == var))
}
ls() # [1] "a" "b" "c" "dat" "var"
a
v1 v2
1 a 1
4 a 2
7 a 3
b
v1 v2
2 b 1
5 b 2
8 b 3
Hope this helps.
Petr Savicky.
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