[R] measuring computation time

[francoisromain@free.fr]

Selon Taka Matzmoto <sell_mirage_ne at hotmail.com>:

> Hi R users
>
> Is there any function or command for measureing computation time?
>
> For example, if I like to how long it takes to generate 100000 random
> numbers from a normal
>
> distribution, Is there any command I can wrap up around "rnorm(100000,0,1)"
> and returns time
>
> in a sec unit ?
>
> Thanks
>
> TM

Hint :

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

there is

system.time(rnorm(100000,0,1))

RSiteSearch("time") would have told you that

Romain