[R] Chopping a two column data frame by rows into a three dimensional array.
Jeff Newmiller
jdnewmil at dcn.davis.ca.us
Tue Oct 16 03:33:49 CEST 2012
aperm(array(dat,c(10,10,2)),c(1,3,2))
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Hans Thompson <hans.thompson1 at gmail.com> wrote:
>If I have a two column data frame like:
>
>> dat <- cbind("x"=c(1:100),"y"=c(100:1))
>
>How can I create an array that splits every ten rows of that data frame
>into a third dimension of an array so that:
>
>> newarray[,,1]
>
>,,1
>
>x y
>1 100
>2 99
>3 98
>... ...
>10 91
>
>
>,,2
>
>x y
>11 90
>12 89
>... ...
>
>
>...
>
>Thanks.
>
> [[alternative HTML version deleted]]
>
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