Pdf

Pdf()

Represents a probability density function (PDF).

@Methods:

.density(x)

Evaluates this pdf at x.

This method needs implement by children class, if not there is an UnimplementedMethodException would be throw when the method is called

@Params:

param	type	description
x	number	number

@Returns: float probability density

.makePmf(xs, name)

Makes a discrete version of this pdf, evaluated at xs.

@Params:

param	type	description
xs	string	array

@Returns: new pmf