[R] R: Memory increase

[Uwe Ligges]

On 08.02.2012 17:14, oluwole oyebamiji wrote:
> Hi all,
>       I want to do a linear regression with lm package in MASS, my data is 59199 rows by 29 column.
> I got this error message can not allocate a vector of size 1.5Gb.
> I have read some of the previous related posting on this but I couldnt still got it right.

Calculate the size of you model matrix. If the 29 columns are numeric, 
this should be a peace of cake, hence you probably model interactions or 
you are dealing with factors with several levels, so that you model 
matrix is huge. We cannot know that.

Uwe Ligges



> I have an Ubuntu machine of 64bit and 4Gb ram.
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> Any suggestion please.
>
> Oyebamiji Oluwole
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