See ?head
Regards
Søren
________________________________________
Fra: r-help-boun...@r-project.org [r-help-boun...@r-project.org] På vegne
af Louis Plough [lplo...@usc.edu]
Sendt: 1. november 2010 20:40
Til: r-help@r-project.org
Emne: [R] how to view the top 20 lines in a long dataset
Hi,
I am simply looking for the function that will allow you to look at the top
20 lines of a long dataset?
LP
On Mon, Nov 1, 2010 at 10:46 AM, Louis Plough <lplo...@usc.edu> wrote:
> Hi,
> I am trying to generate all possible permutations (choose 2) of a vector,
> b, for example--using 'combn' the combinations in only one direction are
> generated...
>
> > b<-c(.1,.2,.3)
> > combn(b,2)
> [,1] [,2] [,3]
> [1,] 0.1 0.1 0.2
> [2,] 0.2 0.3 0.3
>
> [1,] 0.1 0.2 0.3 0.2 0.3 0.3 These
> should also be there.
> [2,] 0.1 0.2 0.3 0.1 0.1 0.2
>
> Is there another R function that can do this??
>
> Thanks,
> Louis
>
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