[R] another matrix problem

[Gabor Grothendieck]

In terms of x this is:

k <- 3
x <- 1:5

n <- length(x)
matrix(x, 2*n-1, k)[1:n, ]

On Sun, Jul 5, 2009 at 10:01 AM, Gabor
Grothendieck<ggrothendieck at gmail.com> wrote:
> Try this (ignore the warning):
>
> k <- 3
> matrix(1:5, 9, k)[1:5, ]
>
>
> On Sun, Jul 5, 2009 at 8:54 AM, William
> Simpson<william.a.simpson at gmail.com> wrote:
>> I want a function that takes an input vector, the number of columns
>> and returns a matrix as follows.
>>
>> x<- 1:5
>>
>> foo(x, nc=3)
>>
>> 1 5 4
>> 2 1 5
>> 3 2 1
>> 4 3 2
>> 5 4 3
>>
>> Thanks again for any help.
>>
>> Bill
>>
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>>
>