[R] rnorm

Ben Bolker bolker at ufl.edu
Fri Jul 17 05:08:36 CEST 2009




Don MacQueen wrote:
> 
> When I try this:
> 
>>  tmp <- randz<-matrix(rnorm(2000000),2000,10000)
>>  dim(tmp)
> [1]  2000 10000
> 
> It gives a result in less than one second. Very quick. And the 
> resulting matrix is not alarmingly big.
> 
> There must be some other problem. Perhaps your computer has only a 
> very small amount of memory?
> 
> 

> print(object.size(randz),units="Mb")
152.6 Mb

Once upon a time this would have been a big object, but not really any more
...
What do you get with gc() ? Do you have lots of other stuff lying around in
your workspace?


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