[R] Random number generation

[Duncan Murdoch]

On 21/07/2011 7:18 PM, karena wrote:
> Hi,
>
> I want to generate multiple sets of random numbers.
> The requirement is that:
> 1) each set have 3 random numbers;
> 2) the sum of the three number is always 1.
>
> how to do this?

There are lots of ways.  What is the context?  It would determine the 
first two steps:

1.  Generate A.
2.  Generate B.
3.  C <- 1-A-B

Duncan Murdoch