[R] Generate random numbers up to one

[Peter Dalgaard]

Núria Martínez wrote:
> Dear all,
>
> I would like to know if there is a simple way to generate random numbers 
> with the constrain that they sum up to one. I am new using R...
>   

The easiest way is to generate them by whatever method and divide by
their sum. e.g. as

(s<-rexp(100))/sum(s)

Are there other constraints, you need the numbers to satisfy? Obviously,
they can't be independent.

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