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{{alias}}( x, N, K, n )
Evaluates the probability mass function (PMF) for a hypergeometric
distribution with population size `N`, subpopulation size `K`, and number of
draws `n` at a value `x`.
If provided `NaN` as any argument, the function returns `NaN`.
If provided a population size `N`, subpopulation size `K` or draws `n` which
is not a nonnegative integer, the function returns `NaN`.
If the number of draws `n` or the subpopulation size `K` exceed population
size `N`, the function returns `NaN`.
Parameters
----------
x: number
Input value.
N: integer
Population size.
K: integer
Subpopulation size.
n: integer
Number of draws.
Returns
-------
out: number
Evaluated PMF.
Examples
--------
> var y = {{alias}}( 1.0, 8, 4, 2 )
~0.571
> y = {{alias}}( 2.0, 8, 4, 2 )
~0.214
> y = {{alias}}( 0.0, 8, 4, 2 )
~0.214
> y = {{alias}}( 1.5, 8, 4, 2 )
0.0
> y = {{alias}}( NaN, 10, 5, 2 )
NaN
> y = {{alias}}( 0.0, NaN, 5, 2 )
NaN
> y = {{alias}}( 0.0, 10, NaN, 2 )
NaN
> y = {{alias}}( 0.0, 10, 5, NaN )
NaN
> y = {{alias}}( 2.0, 10.5, 5, 2 )
NaN
> y = {{alias}}( 2.0, 5, 1.5, 2 )
NaN
> y = {{alias}}( 2.0, 10, 5, -2.0 )
NaN
> y = {{alias}}( 2.0, 10, 5, 12 )
NaN
> y = {{alias}}( 2.0, 8, 3, 9 )
NaN
{{alias}}.factory( N, K, n )
Returns a function for evaluating the probability mass function (PMF) of a
hypergeometric distribution with population size `N`, subpopulation size
`K`, and number of draws `n`.
Parameters
----------
N: integer
Population size.
K: integer
Subpopulation size.
n: integer
Number of draws.
Returns
-------
pmf: Function
Probability mass function (PMF).
Examples
--------
> var myPMF = {{alias}}.factory( 30, 20, 5 );
> var y = myPMF( 4.0 )
~0.34
> y = myPMF( 1.0 )
~0.029
See Also
--------
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