[R-sig-eco] memory size limits

[Jens Åström]

Hi,

Not sure it will help but have a look at the gc() command as well.

If R recently has used lots of RAM, this command can help free some of it.

/Jens


 On 08/17/2010 12:00 PM, r-sig-ecology-request at r-project.org wrote:
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Mon, 16 Aug 2010 12:26:50 -0400
> From: "Howe, Eric (MNR)" <eric.howe at ontario.ca>
> To: <r-sig-ecology at r-project.org>
> Subject: [R-sig-eco] memory size limits
> Message-ID:
> 	<0D6399D2E9A66846B227AE8661541B2912723A at CTSPITDCEMMVX28.cihs.ad.gov.on.ca>
> 	
> Content-Type: text/plain
> 
> Hello,
> 
> When trying to fit spatially-explicit capture recapture models with a
> larger number of parameters, using the package secr, I get the following
> error message:
> 
>  
> 
>> gH.yr.sH.jc.session=secr.fit(seeh69, model=list(g0~h2+yr,
> sigma~h2+jc+session),
> mask=masklist,CL=T,detectfn=1,timecov=timecovs,sessioncov=sesscovs,detai
> ls=list(distribution='binomial'), stepmax=10)
> 
> Checking data 
> 
> Preparing detection design matrices 
> 
> Error: cannot allocate vector of size 150.6 Mb
> 
>  
> 
> I only get the message when trying to fit models with many parameters.
> 
> I am working on a PC with 2Gb of RAM and Windows XP installed.  I
> already increased the memory limit in R, and the page file size in
> Windows, to the maximum allowed (4095 Mb). I also defragmented my hard
> drive, which has plenty of free space available.
> 
>  
> 
> Can anyone suggest a way around this problem?
> 
> Thanks,
> 
>  
> 
> Eric
> 
>  
> 
> 
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