[R] too large dimension problem

David Winsemius dwinsemius at comcast.net
Sun Dec 13 17:51:49 CET 2009

On Dec 12, 2009, at 11:35 PM, David Winsemius wrote:

> On Dec 12, 2009, at 8:31 PM, Moohwan Kim wrote:
>> Dear R family
>> When I run the command below, the error message came up. It seems  
>> like
>> the problem is about computer capacity.
>> It would be appreciated if anyone could give me a solution.
> You would want __________ store such an object, but also to  
> ---------------- the answer
                ^not just to^                                
^manipulate it, so^
> must be: buy a computer with 500GB of RAM.

Besides the errors in English syntax, for which I have no excuses, I  
also forgot to mention that there are SparseMatrix classes that are  
part of the recommended Matrix package. They may offer a solution in  
more limited memory, depending on the application you have in mind.

>> ###########
>>> N <- 415884
>>> tau <- diag(1, N)[c(N, 1:(N - 1)),]
>> Error in array(0, c(n, p)) : 'dim' specifies too large an array
>> Best
>> Moohwan

David Winsemius, MD
Heritage Laboratories
West Hartford, CT

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