[R] Generating random normal distribution with mean 0 and standard deviation 1

Marc Schwartz MSchwartz at mn.rr.com
Fri Jul 14 14:26:42 CEST 2006

On Fri, 2006-07-14 at 08:14 -0400, Neuro LeSuperHéros wrote:
> Hello,
> This must be really simple, but I can't find it on R Site search.  I need to 
> generate a random normally distributed series with mean 0 and sd 1. In 
> Matlab, this code is randn(n).
> The closest I found is runif(20,-1,1) but this forces a maximum and a 
> minimum, and there's no way to specify a standard deviation of 1.
> >sd(runif(20,-1,1))
> [1] 0.578164

help.search("normal") leads you to "Normal(stats)".

?Normal leads you to rnorm().

More generally, help.search("distributions") will give you an overview
of the various distributions available in your installation.


Marc Schwartz

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