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

From: Marc Schwartz <MSchwartz_at_mn.rr.com>
Date: Fri 14 Jul 2006 - 22:26:42 EST

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.

HTH, Marc Schwartz



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