[R] arrays of lists in R ("cell arrays" in Matlab)

[Giuseppe Pagnoni]

Dear all

I would like to have some data in the form of a 2-dimensional array 
(matrix) of lists, so that I can easily find the desired list object by 
indexing the structure by rows and columns.  In matlab there exists a 
data type called "cell array": a matrix of "cells", which are composite 
objects very similar to R lists. 

I know that in R you can create 1-dimensional arrays of lists, either 
with the vector() function or by making a list of lists, but it is not 
clear to me whether it is actually possible to have 2-dimensional arrays 
of lists.

thank you very much for any suggestion

best

    giuseppe

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Giuseppe Pagnoni
Psychiatry and Behavioral Sciences
Emory University School of Medicine
101 Woodruff Circle, Suite 4000
Atlanta, GA, 30322
tel: 404.712.8431
fax: 404.727.3233