Message-ID: <CAAmySGP+VOgg3o0Aan3-pupmbiwgyBTxbrP8c6LnWANwMvUUJw@mail.gmail.com>
Date: 2011-10-05T16:23:40Z
From: R. Michael Weylandt
Subject: converting 3D array to a data-frame (with coordinate-columns x, y, z)
In-Reply-To: <12BF49A5-E7D4-4CF2-8A6B-4F5CC4496181@googlemail.com>
reshape::melt does this I think
Michael
On Wed, Oct 5, 2011 at 12:20 PM, Martin Batholdy
<batholdy at googlemail.com> wrote:
> Hi,
>
>
> I am still struggling with three dimensional arrays.
>
> Now I would like to convert a three dimensional array into a data-frame with the coordinate-columns: x, y, z and a value-column.
>
> And I definitely don't want to loop over every element, since this would be very resource intensive for the actual data-set.
>
>
> Are there any specific functions that are helpful for this task?
>
>
>
> example-array:
>
> x <- array(1:27, dim=c(3,3,3,1))
>
>
>
> thanks!
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