[R] Help with Memory Problems (cannot allocate vector of size)

[Jannis]

How about reading the posting guide and afterwards searching the list 
archive:

http://r.789695.n4.nabble.com/R-help-f789696.html

Searching for

"Error: cannot allocate vector of size"

will give you hundreds of results as this question is asked VERY frequently!


Jannis


  On 05/18/2011 07:55 PM, Amit Patel wrote:
> While doing pls I found the following problem
>
>> BHPLS1<- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, jackknife =
>> FALSE, validation = "LOO")
> when not enabling jackknife the command works fine, but when trying to enable
> jackknife i get the following error.
>
>
>
>> BHPLS1<- plsr(GroupingList ~ PCIList, ncomp = 10, data = PLSdata, jackknife =
>> TRUE, validation = "LOO")
> Error: cannot allocate vector of size 289.1 Mb
>
> I am dealing with a very large dataset
>
>> str(PLSdata)
> 'data.frame':   40 obs. of  2 variables:
>   $ GroupingList: int  1 1 1 1 1 1 1 1 1 1 ...
>   $ PCIList     : AsIs [1:40, 1:94727] 0 0 0 0 0 0 0 0 0 0 ...
>    ..- attr(*, "dimnames")=List of 2
>    .. ..$ : chr  "X" "X.1" "X.12" "X.13" ...
>    .. ..$ : NULL
>
>> object.size(PLSdata)/1048600
> 28.9113560938394 bytes
>
> How can i get around this memory shortage
> 	[[alternative HTML version deleted]]
>
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