Message-ID: <CANStiKnJ6Hv+m26+2kaS3xZNnZo0Ku5dViX-yHuHjCk_TtDX6Q@mail.gmail.com>
Date: 2011-10-27T18:33:52Z
From: Sébastien Bihorel
Subject: creating vector os zeros for simulations (beginner's question)
In-Reply-To: <1319737491.43341.YahooMailNeo@web161907.mail.bf1.yahoo.com>
you could try this:
u2=matrix(rnorm(150), nrow=5, ncol=30); u2
Seb
On Thu, Oct 27, 2011 at 1:44 PM, Iara Faria <iaragohn at yahoo.com.br> wrote:
> Dear R helpers,
>
> I know this is a simple task, but I'm new to R and I'm still havind difficulties with the language.
> I want to create 30 vectors to be used in a simulation, each?with 1 columm and 5 lines, of random numbers N(0,1).
> What I tried was this:
>
> N=150
> u2<-rep(1:150,0)
> u2<-list(matrix(0,5))
> u2
> for(i in 1:N)
> {
> u2[i]<-rnorm(5)
> }
> u2
>
> ### also tried this:
>
> N=150
> u2<-rep((matrix(0,5)),30)
> u2
> for(i in 1:N)
> {
> u2[i]<-rnorm(5)
> }
> u2
>
>
> The problem is none of this gives me the random numbers arranged in vectors.
> I've tried other variations too, but haven't managed to get it through.
>
> Any help is very welcome.
> Kind regards,
> Iara
> ? ? ? ?[[alternative HTML version deleted]]
>
>
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