[R] New user: Custom probability distribution

tom wright tom at sickkids.ca
Thu Feb 9 16:46:02 CET 2006


rbinom(50,5,c(0.48,0.24,0.16,0.12))


On Thu, 2006-09-02 at 20:02 +0100, Jan Danielsson wrote:
> Hello,
> 
>    Given a probability function: p(x) = 12 / (25(x+1)) , x=0, 1, 2, 3 we
> generate the following values:
> 
>   C1  C2
>   0   0.48
>   1   0.24
>   2   0.16
>   3   0.12
> 
>    Now, I'm supposed to create 50 random values using this table. In
> MiniTab, I simply selected Calc -> Random Data -> Discrete, and selected
> the columns, and it created 50 random values in a new column.[1]
> 
> How do I do the same thing in R?
> 
>    [1] You may be wondering why I'm telling you this. Well, it's because
> if I were in your shoes, I'd think "Oh, someone wants me to solve his
> homework.". I have already solved it using MiniTab, but I want to be
> able to use R instead (since I prefer NetBSD).
> 
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