On Fri, Sep 11, 2009 at 12:15 PM, A Ezhil ezhi...@yahoo.com wrote:
Dear All,
I have large matrix (46000 x 11250). I would like to do the linear regression
for each row. I wrote a simple function that has lm() and used
apply(mat,1,func). The issue is that it takes ages to load the file and
Another possible interpretation is that each row contains several
vectors, possibly laid end to end. For example, if the row J were
length 30 (which it isn't), the first 10 might be Y, the next 10 X1,
and the next N2. The function might be lm(J[1:10] ~ J[11:20] +
J[21:30]).
If this is what is
Dear All,
I have large matrix (46000 x 11250). I would like to do the linear regression
for each row. I wrote a simple function that has lm() and used
apply(mat,1,func). The issue is that it takes ages to load the file and also to
finish the lm. I am using LINUX 64 bit with 32G mem. Is there
Hi,
On Sep 11, 2009, at 1:15 PM, A Ezhil wrote:
Dear All,
I have large matrix (46000 x 11250). I would like to do the linear
regression for each row. I wrote a simple function that has lm() and
used apply(mat,1,func). The issue is that it takes ages to load the
file and also to finish
the calculation fast? If you
have any experience with large matrices, could you please share it with me?
Thanks again,
Ezhil
--- On Fri, 9/11/09, Steve Lianoglou mailinglist.honey...@gmail.com wrote:
From: Steve Lianoglou mailinglist.honey...@gmail.com
Subject: Re: [R] Working with large matrix
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