[R] memory and step()

From: Dimitri Joe <dimitrijoe_at_yahoo.com.br>
Date: Tue 17 May 2005 - 03:16:00 EST


Hi there,

I'm trying to perform a step(), using variables from a data set with 32.000 observations. The upper model is not so long - (x1 + x2 + x3)^2 - where x1...x3 are the explanatory variables. Yet, I got a memory problem when performing it. The message is the following:

Error: cannot allocate vector of size 26859 Kb In addition: Warning messages:
1: Reached total allocation of 246Mb: see help(memory.size) 2: Reached total allocation of 246Mb: see help(memory.size)

I tried to see "help(memory.size)", but that was not too enlightening. As I am not familiar with these memory problems, I am asking for your help. What should I do so that I can perform this (and many others) step( )? I am under Windows XP, using a P4 2.00 GHz with 256 Mb of RAM.

Thank you.
Dimitri

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