[R] array of matrices resp. dataFrames

[kjetil halvorsen]

Put the matrices in a list?

a <- matrix(1:4,2)
b <- matrix(2:7,2)
l <- list(a,b)
 l[[1]]
     [,1] [,2]
[1,]    1    3
[2,]    2    4
> l[[1]][1,2]
[1] 3

Kjetil Halvorsen


Jan Malte Wiener wrote:
> 
> hi,
> from a rather complex data set (a huge matrix) i want to extract
> submatrices (of different no. of rows). i need to store those
> submatrices (resp. data.frames) in an array (at least something data
> structure i can address via an index to get the submatrices).
> unfortunately i have no idea how to accomplish that.
> thanks for any suggestions ,
> greetinx jan
> 
> --
> Jan Malte Wiener
> Max-Planck-Institute for Biological Cybernetics
> Spemannstr. 38, 72076 Tuebingen, Germany
> Tel.: +49 7071 601 631
> Email: jan.wiener at tuebingen.mpg.de
> 
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