# epdf Class Reference

Probability density function with numerical statistics, e.g. posterior density. More...

`#include <libBM.h>`

Inheritance diagram for epdf:

[legend]
Collaboration diagram for epdf:

[legend]

List of all members.

## Public Member Functions
| epdf ()
| default constructor
| epdf (const RV &rv0)
| default constructor
virtual vec | sample () const =0
| Returns the required moment of the epdf.
virtual mat | sampleN (int N) const
| Returns N samples from density .
virtual double | eval (const vec &val) const
| Compute probability of argument `val`.
virtual double | evalpdflog (const vec &val) const =0
| Compute log-probability of argument `val`.
virtual vec | mean () const =0
| return expected value
virtual | ~epdf ()
| Destructor for future use;.
RV | _rv () const
| access function
## Protected Attributes
RV | rv
| Identified of the random variable.

## Detailed Description

Probability density function with numerical statistics, e.g. posterior density.

## Member Function Documentation

virtual vec epdf::sample | ( |  | ) | const`[pure virtual]`

Returns the required moment of the epdf.

Returns a sample, from density

Implemented in emix, enorm< sq_T >, egiw, egamma, euni, eEmp, enorm< ldmat >, enorm< chmat >, and enorm< fsqmat >.

Referenced by mpdf::samplecond(), PF::set_est(), and eEmp::set_parameters().

The documentation for this class was generated from the following files:

- work/mixpp/bdm/stat/libBM.h
- work/mixpp/bdm/stat/libBM.cpp