[R] Create Arrays

[Gerrit.Eichner at math.uni-giessen.de]

Hi, Doug,

maybe

columns <- c( 0, 3, 0, 2, 0, 1)
lapply( columns[ columns > 0],
         function( o) array( -1, dim = c( 2, o)))

does what you want?

Regards -- Gerrit

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Zitat von dpender <d.pender at civil.gla.ac.uk>:

>
> Hi,
>
> For this example:
>
> O <- c(0 0 0 2 0 0 2 0)
>
> I want to create an array every time O[i] > 0.  The array should be in the
> form;
>
> R[j] <- array(-1, dim=c(2,O[i]))
>
> i.e. if O[i] > 0 4 times I want 4 R arrays.
>
> Does anyone have any suggestions?
>
> Thanks,
>
> Doug
> --
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>
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