[R] R perfomance question !!!

[Rolf Turner]

On 19/06/2008, at 2:38 AM, diver495 wrote:

>
> I ran the simple script bellow and received shoking

	Your spelling is pretty shoking too.

> results. It was complied
> for about 15 seconds !!! on modern Intel Core Duo computer.
>
> i=0;
> while(i<5000000)
> {
>     i=i+1;
> }
>
> Using Visual Basic I can complete the same script (simple loop of  
> 5000000
> itterations) in 0.1 sec.
> Is it realy R not suitable for huge computing.

It helps to know what the <expletive deleted> you're doing.  E.g.:

  > x <- rep(1,5e6)
  > system.time(sum(x))
    user  system elapsed
   0.014   0.000   0.014

	cheers,

		Rolf Turner


######################################################################
Attention:\ This e-mail message is privileged and confid...{{dropped:9}}