[R] array of matrices resp. dataFrames

Uwe Ligges ligges at statistik.uni-dortmund.de
Fri May 3 12:14:26 CEST 2002

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 ,

You should use a list:

 X <- matrix(1:100, 10)
 Y <- matrix(1:25, 5)
 L <- list(X, Y)
 L[[2]]   # get the second list element (Y)

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