PLearn::RVArrayRandomElementRandomVariable Class Reference

#include <RandomVar.h>

Inheritance diagram for PLearn::RVArrayRandomElementRandomVariable:

[legend]Collaboration diagram for PLearn::RVArrayRandomElementRandomVariable:

[legend]List of all members.

Public Member Functions
	RVArrayRandomElementRandomVariable (const RVArray &table, const RandomVar &index)
	RVArrayRandomElementRandomVariable *.
virtual char *	classname ()
void	setValueFromParentsValue ()
	set the field value from the values of the parents
virtual Var	logP (const Var &obs, const RVInstanceArray &RHS, RVInstanceArray *parameters_to_learn=0)
	redefine RandomVariable functions
void	EMBprop (const Vec obs, real post)
const RandomVar &	index ()
	convenience inlines

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Detailed Description

RandomVariable that is the i-th element of its parent vector, where i is the value of the last parent. i.e. parents[0..N-1] is the table over which we select parents[N] is the index that makes the selection

Definition at line 1148 of file RandomVar.h.

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Constructor & Destructor Documentation

PLearn::RVArrayRandomElementRandomVariable::RVArrayRandomElementRandomVariable (  const RVArray &  table, const RandomVar &  index )

RVArrayRandomElementRandomVariable *. Definition at line 1177 of file RandomVar.cc. References PLearn::RandomVariable::length(), PLearn::RVArray::length(), and PLERROR.

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Member Function Documentation

virtual char* PLearn::RVArrayRandomElementRandomVariable::classname (   )  [inline, virtual]

Implements PLearn::RandomVariable. Definition at line 1153 of file RandomVar.h.

void PLearn::RVArrayRandomElementRandomVariable::EMBprop (  const Vec  obs, real  post )  [virtual]

************ EM STUFF ********** propagate posterior information to parents in order to perform an EMupdate at the end of an EMEpoch. In the case of mixture-like RVs and their components, the posterior is the probability of the component "this" given the observation "obs". Implements PLearn::RandomVariable. Definition at line 1227 of file RandomVar.cc. References PLearn::Vec.

const RandomVar& PLearn::RVArrayRandomElementRandomVariable::index (   )  [inline]

convenience inlines Definition at line 1161 of file RandomVar.h. References PLearn::TVec< RandomVar >::size(). Referenced by logP(), and setValueFromParentsValue().

Var PLearn::RVArrayRandomElementRandomVariable::logP (  const Var &  obs, const RVInstanceArray &  RHS, RVInstanceArray *  parameters_to_learn = 0 )  [virtual]

redefine RandomVariable functions Reimplemented from PLearn::FunctionalRandomVariable. Definition at line 1201 of file RandomVar.cc. References index(), PLearn::mixture(), PLearn::TVec< RandomVar >::size(), and PLearn::vconcat().

void PLearn::RVArrayRandomElementRandomVariable::setValueFromParentsValue (   )  [virtual]

set the field value from the values of the parents Implements PLearn::FunctionalRandomVariable. Definition at line 1190 of file RandomVar.cc. References index(), and PLearn::TVec< RandomVar >::size().

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

• RandomVar.h
• RandomVar.cc

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