BIE::InitialMixturePrior Class Reference

Prior for mixture model. More...

#include <InitialMixturePrior.h>

Inheritance diagram for BIE::InitialMixturePrior:

[legend]

Collaboration diagram for BIE::InitialMixturePrior:

[legend]

List of all members.

Public Member Functions
virtual void	SamplePrior (int &M, vector< double > &wght, vector< vector< double > > &phi)
	Sample: return weights and components separately.
virtual void	SamplePrior (int M, int n, vector< double > &V)
	Sample: return a single component.
Constructors
	InitialMixturePrior ()
	For cloning only: makes an uninitialized prior.
	InitialMixturePrior (int nmix, double alpha, string pfile)
	The useful constructor.
	InitialMixturePrior (int nmix, double alpha, double pmean, string prior)
	The useful constructor.
Distribution members
The packing order in vectors is: Nmix weights, followed by Nmix vectors of Ndim elements
virtual InitialMixturePrior *	New ()
	Object factor (clone).
virtual double	PDF (State &)
	Differential distribution function P(x).
virtual double	logPDF (State &)
	Log of differential distribution function P(x).
virtual double	logPDFMarginal (int M, int n, vector< double > &V)
	Log of differential distribution function in subspace.
virtual vector< double >	lower (void)
	Differential distribution function for single component.
virtual vector< double >	upper (void)
	Upper bound on distribution.
virtual vector< double >	Mean (int m)
	Return mean of distribution.
virtual vector< double >	StdDev (int m)
	Return standard deviation of distribution.
virtual vector< double >	Moments (int m, int n)
	Return specifided moment of distribution.
virtual vector< double >	Sample (int m)
	Return random variate from distribution.
Protected Attributes
State	ttwght
	Temporary state vector.
Friends
class	boost::serialization::access

---

Detailed Description

Prior for mixture model.

---

Constructor & Destructor Documentation

BIE::InitialMixturePrior::InitialMixturePrior	(	int	nmix,
		double	alpha,
		string	pfile
	)

The useful constructor.

Parameters:

	nmix	is the number of compoments
	alpha	is the Dirichlet parameter
	pfile	is the file defining the prior distributions for each each dimension of the parameter vector

BIE::InitialMixturePrior::InitialMixturePrior	(	int	nmix,
		double	alpha,
		double	pmean,
		string	prior
	)

The useful constructor.

Parameters:

	nmix	is the number of compoments
	alpha	is the Dirichlet parameter
	pmean	is the Poisson prior mean for the number of components
	pfile	is the file defining the prior distributions for each each dimension of the parameter vector

---

Member Function Documentation

virtual double BIE::InitialMixturePrior::logPDFMarginal	(	int	M,
		int	n,
		vector< double > &	V
	)			[virtual]

Log of differential distribution function in subspace.

Parameters:

	M,component
	n,and	parameter vector
	V

Implements BIE::MixturePrior.

virtual vector<double> BIE::InitialMixturePrior::lower

(

void

)

[virtual]

Differential distribution function for single component.

Lower bound on distribution

Implements BIE::MixturePrior.

virtual void BIE::InitialMixturePrior::SamplePrior	(	int	M,
		int	n,
		vector< double > &	V
	)			[virtual]

Sample: return a single component.

Parameters:

	V	for subspace
	M	and comonent
	n

Implements BIE::MixturePrior.

---

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

• /home/weinberg/src/BIE/include/InitialMixturePrior.h