Is this you want?
apply(apply(perms, 1, as.logical), 2, function(x)df[x])
On 14/01/2008, Serguei Kaniovski <[EMAIL PROTECTED]> wrote:
> Henrique, I know I have to use "apply", but how do I select the columns of
> the dataframe using the permutation vectors produced by
>
> nvar <- ncol(dat) - 1
If I understand your question use apply
?apply
On 14/01/2008, Serguei Kaniovski <[EMAIL PROTECTED]> wrote:
> Hallo All,
>
> I would like to apply a function to all permutations of variables in a
> dataframe (except the first). What is the best way to achieve this?
>
> I produce the permutations u
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