[R] Modifying the embed-results

[Gabor Grothendieck]

Try:

embed(VECTOR, 5)[,5:1]

On 8/25/06, Atte Tenkanen <attenka at utu.fi> wrote:
> Hi,
>
> Here is a vector and the result from the embed-command:
>
> VECTOR=c(0,3,6,3,11,2,4,3,7,6,4,5,10,2,3,5,8)
>
> > embed(VECTOR, dimension=5)
>      [,1] [,2] [,3] [,4] [,5]
>  [1,]   11    3    6    3    0
>  [2,]    2   11    3    6    3
>  [3,]    4    2   11    3    6
>  [4,]    3    4    2   11    3
>  [5,]    7    3    4    2   11
>  [6,]    6    7    3    4    2
>  [7,]    4    6    7    3    4
>  [8,]    5    4    6    7    3
>  [9,]   10    5    4    6    7
> [10,]    2   10    5    4    6
> [11,]    3    2   10    5    4
> [12,]    5    3    2   10    5
> [13,]    8    5    3    2   10
>
> Is there a way to little modify the algorithm so that the result looks
> like this:
>
> [1]  0  3  6 11  2 <- beginning from the first number of the VECTOR
> [1]  3  6 11  2  4 <- beginning from the second number of the VECTOR etc
> [1]  6  3 11  2  4
> [1]  3 11  2  4  7
> [1] 11  2  4  3  7
> [1] 2 4 3 7 6
> [1] 4 3 7 6 5
> [1] 3 7 6 4 5
> [1]  7  6  4  5 10
> [1]  6  4  5 10  2
> [1]  4  5 10  2  3
> [1]  5 10  2  3  8
> [1] 10  2  3  5  8
>
> Every row consists of next five unique(!) member of the VECTOR. I made
> this example result with a time consuming algorithm which uses for-loops
> and whiles.
>
> How to do this better??
>
> Thanks in advance!
>
> Atte Tenkanen
> University of Turku
>
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>