[R] How to create a high-dimensional matrix

lrl liurl1221 at gmail.com
Tue Oct 16 23:56:44 CEST 2012

Should it be .Machine$integer.max- 429497 ^2?

The matrix is not a sparse matrix, but a symmetric matrix. 

It's a process of feature selection. I am choosing the most important
variables from 439497 variables. Now I am considering divide the whole
dataset into several part and process a small part first. 

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