time-to-botec/squiggle/node_modules/@stdlib/stats/base/dists/discrete-uniform

Discrete Uniform

Discrete uniform distribution.

Usage

var discreteUniform = require( '@stdlib/stats/base/dists/discrete-uniform' );

discreteUniform

Discrete uniform distribution.

var dist = discreteUniform;
// returns {...}

The namespace contains the following distribution functions:

• cdf( x, a, b ): discrete uniform distribution cumulative distribution function.
• logcdf( x, a, b ): evaluate the natural logarithm of the cumulative distribution function for a discrete uniform distribution.
• logpmf( x, a, b ): evaluate the natural logarithm of the probability mass function (PMF) for a discrete uniform distribution.
• mgf( t, a, b ): discrete uniform distribution moment-generating function (MGF).
• pmf( x, a, b ): discrete uniform distribution probability mass function (PMF).
• quantile( p, a, b ): discrete uniform distribution quantile function.

The namespace contains the following functions for calculating distribution properties:

• entropy( a, b ): discrete uniform distribution entropy.
• kurtosis( a, b ): discrete uniform distribution excess kurtosis.
• mean( a, b ): discrete uniform distribution expected value.
• median( a, b ): discrete uniform distribution median.
• skewness( a, b ): discrete uniform distribution skewness.
• stdev( a, b ): discrete uniform distribution standard deviation.
• variance( a, b ): discrete uniform distribution variance.

The namespace contains a constructor function for creating a discrete uniform distribution object.

• DiscreteUniform( [a, b] ): discrete uniform distribution constructor.

var DiscreteUniform = require( '@stdlib/stats/base/dists/discrete-uniform' ).DiscreteUniform;

var dist = new DiscreteUniform( 2, 4 );

var y = dist.pmf( 3, 0 );
// returns ~0.333

Examples

var objectKeys = require( '@stdlib/utils/keys' );
var discreteUniform = require( '@stdlib/stats/base/dists/discrete-uniform' );

console.log( objectKeys( discreteUniform ) );