[R] Large loops hang?

[Benilton Carvalho]

have you tried

res <- rnorm(10^6)-rnorm(10^6)

?

it take 0.5 sec for me...

b

On Feb 28, 2008, at 3:30 PM, Minimax wrote:

> Dear useRs,
>
> Suppose we have loop:
>
> res <- c()
> for (i in 1:100000) {
> 	x <- rnorm(2)
> 	res <- c(res,x[2]-x[1])
> 	}
>
> and this loop for 10^5 cases runs about - for example 5 minutes.
>
> When I add one zero (10^6) this loop will not end overnight but  
> probably
> hangs. This occurs regardless of calculated statistics in such
> simulation, always above 10^5 times. Nested loops do not help.
>
> Any suggestions for collecting larger amount of Monte Carlo data ?
>
> Regards
>
> Minimax
>
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