[R] big databases

[Uwe Ligges]

 > PLEASE do read the posting guide 
http://www.R-project.org/posting-guide.html


and tell us a bit about your machine, OS, R version, the am,ount of RAM 
used by your workspace.


Pseudo Phobic wrote:
> Dear all,
> 
> I have a .dta database which is about 400 MB. I cannot open it though I have
> no problem to import smaller ones (80 MB or even 174 MB).
> 
> I tried to modify some options with --max-mem-size=2047M --max-vsize=2047M.
> But it does not seem to be enough.
> 
> I do not know the exact meaning of these options : vsize seems to be made
> for vectors.

See ?Memory on memory handling in R.



> I have got Monte Carlo simulations running in another R window. Can MCMC
> simulations take enough memory so as to prevent me from opening this
> database ?


Amount of RAM used by the MCMC simulations? If no (not even virtual) RAM 
is left: of course they can prevent.

Uwe Ligges



> Thank you very much for any help.
> 
> Best Regards
> 
> 	[[alternative HTML version deleted]]
> 
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