Function for generating values from discrete uniform distributions
Interface
discrete (a:int, b:int) : int
where a<=b
. Returns a drawing from a discrete uniform
distribution between a
and b
(a
and b
included).
Raises Discrete
exception, if a>b
.
Characteristics
- Mean:
(a+b)/2
- Variance:
((b-a+1)^2-1)/12
Probability mass functions for discrete uniform distributions:

Probability mass functions for discrete uniform distributions
Example
discrete(1,6)
Throwing a die has a discrete uniform distribution with parameters
a=1
and b=6
. The function discrete will then return the number of eyes on the die.
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