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LSSTDataManagementBasePackage
Public Member Functions | Public Attributes | List of all members
lsst::meas::modelfit::ImportanceSamplerControl Class Reference

Control object for one iteration of adaptive importance sampling. More...

#include <AdaptiveImportanceSampler.h>

Public Member Functions

 ImportanceSamplerControl ()
 

Public Attributes

int nSamples
 "Number of Monte Carlo samples to draw" ; More...
 
int nUpdateSteps
 "Number of Expectation-Maximization update iterations" ; More...
 
double tau1
 "Damping parameter for E-M update (see Mixture::updateEM)" ; More...
 
double tau2
 "Damping parameter for E-M update (see Mixture::updateEM)" ; More...
 
double targetPerplexity
 "Minimum value for normalized perplexity after this iteration; if the actual value is less " "than this, this iteration will be repeated up to maxRepeat times until the target is met. " "In addition, if any previous iteration meets this target, this iteration will be skipped." ; More...
 
int maxRepeat
 "Maximum number of times this iteration will be repeated to meet the perplexityTarget" ; More...
 

Detailed Description

Control object for one iteration of adaptive importance sampling.

See also
AdaptiveImportanceSampler, AdaptiveImportanceSamplerTask

Definition at line 41 of file AdaptiveImportanceSampler.h.

Constructor & Destructor Documentation

◆ ImportanceSamplerControl()

lsst::meas::modelfit::ImportanceSamplerControl::ImportanceSamplerControl ( )
inline

Definition at line 58 of file AdaptiveImportanceSampler.h.

58  :
59  nSamples(2000), nUpdateSteps(2), tau1(1E-4), tau2(0.5), targetPerplexity(1.0), maxRepeat(0)
60  {}
double tau2
"Damping parameter for E-M update (see Mixture::updateEM)" ;
double tau1
"Damping parameter for E-M update (see Mixture::updateEM)" ;
int maxRepeat
"Maximum number of times this iteration will be repeated to meet the perplexityTarget" ; ...
int nUpdateSteps
"Number of Expectation-Maximization update iterations" ;
double targetPerplexity
"Minimum value for normalized perplexity after this iteration; if the actual value is less " "than th...
int nSamples
"Number of Monte Carlo samples to draw" ;

Member Data Documentation

◆ maxRepeat

int lsst::meas::modelfit::ImportanceSamplerControl::maxRepeat

"Maximum number of times this iteration will be repeated to meet the perplexityTarget" ;

Definition at line 56 of file AdaptiveImportanceSampler.h.

◆ nSamples

int lsst::meas::modelfit::ImportanceSamplerControl::nSamples

"Number of Monte Carlo samples to draw" ;

Definition at line 43 of file AdaptiveImportanceSampler.h.

◆ nUpdateSteps

int lsst::meas::modelfit::ImportanceSamplerControl::nUpdateSteps

"Number of Expectation-Maximization update iterations" ;

Definition at line 44 of file AdaptiveImportanceSampler.h.

◆ targetPerplexity

double lsst::meas::modelfit::ImportanceSamplerControl::targetPerplexity

"Minimum value for normalized perplexity after this iteration; if the actual value is less " "than this, this iteration will be repeated up to maxRepeat times until the target is met. " "In addition, if any previous iteration meets this target, this iteration will be skipped." ;

Definition at line 52 of file AdaptiveImportanceSampler.h.

◆ tau1

double lsst::meas::modelfit::ImportanceSamplerControl::tau1

"Damping parameter for E-M update (see Mixture::updateEM)" ;

Definition at line 45 of file AdaptiveImportanceSampler.h.

◆ tau2

double lsst::meas::modelfit::ImportanceSamplerControl::tau2

"Damping parameter for E-M update (see Mixture::updateEM)" ;

Definition at line 46 of file AdaptiveImportanceSampler.h.


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