Hi,
I read some posts from the mailing list on the same problem, but it seems
that i still cannot solve this problem.
I only want to generate some simulated data.
#Generate 2500 observations-it works without errors
> coords<-as.matrix(expand.grid(seq(0,100,length.out=50),
seq(0,100,length.out=50)))
#SimData is a user-written function
> SimBinData<-SimData(n=2500,coords=coords,
> x.mu=c(0,1),covar.cor=matrix(c(1,0.25,0.25,1),
2, 2),beta=c(1,0.5,5))
#Generate 10000 observations-errors appeared
#Following some posts, i set the memory to the maximum value. But i still
got errors.
> memory.limit(size = 4095)
[1] 4095
> coords<-as.matrix(expand.grid(seq(0,100,length.out=100),
seq(0,100,length.out=100)))
> SimBinData<-SimData(n=10000,coords=coords,
> x.mu=c(0,1),covar.cor=matrix(c(1,0.25,0.25,1),
2, 2),beta=c(1,0.5,5))
Error: cannot allocate vector of size 381.5 Mb
> memory.size(TRUE)
[1] 1276.31
> memory.limit()
[1] 4095
> object.size(SimBinData)
170568 bytes
Any suggestions?
Thanks very much.
--
-----------------
Jane Chang
Queen's
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