hex.ensemble

Class Metalearner<B extends hex.ModelBuilder<M,P,?>,M extends hex.Model<M,P,?>,P extends hex.Model.Parameters>

java.lang.Object

hex.ensemble.Metalearner<B,M,P>

Direct Known Subclasses:

Metalearners.SimpleMetalearner

public abstract class Metalearner<B extends hex.ModelBuilder<M,P,?>,M extends hex.Model<M,P,?>,P extends hex.Model.Parameters>
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Metalearner.Algorithm Using an enum to list possible algos is not the greatest idea here as it forces us to hardcode supported algos and creates a dependency to metalearners provided in extensions (XGBoost).

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	_hasMetalearnerParams
protected water.Job	_job
protected water.fvec.Frame	_levelOneTrainingFrame
protected water.fvec.Frame	_levelOneValidationFrame
protected long	_maxRuntimeSecs
protected P	_metalearner_parameters
protected water.Job	_metalearnerJob
protected water.Key<hex.Model>	_metalearnerKey
protected long	_metalearnerSeed
protected StackedEnsembleModel	_model
protected StackedEnsembleModel.StackedEnsembleParameters	_parms

Constructor Summary

Constructors

Constructor and Description
Metalearner()

Method Summary

Modifier and Type	Method and Description
protected void	cleanup()
protected void	setCommonParams(P parms)
protected void	setCrossValidationParams(P parms)
protected void	setCustomParams(P parms)
protected void	validateParams(P parms)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_levelOneTrainingFrame

protected water.fvec.Frame _levelOneTrainingFrame

_levelOneValidationFrame

protected water.fvec.Frame _levelOneValidationFrame

_model

protected StackedEnsembleModel _model

_parms

protected StackedEnsembleModel.StackedEnsembleParameters _parms

_job

protected water.Job _job

_metalearnerKey

protected water.Key<hex.Model> _metalearnerKey

_metalearnerJob

protected water.Job _metalearnerJob

_metalearner_parameters

protected P extends hex.Model.Parameters _metalearner_parameters

_hasMetalearnerParams

protected boolean _hasMetalearnerParams

_metalearnerSeed

protected long _metalearnerSeed

_maxRuntimeSecs

protected long _maxRuntimeSecs

Constructor Detail

Metalearner

public Metalearner()

Method Detail

setCommonParams

protected void setCommonParams(P parms)

setCrossValidationParams

protected void setCrossValidationParams(P parms)

setCustomParams

protected void setCustomParams(P parms)

validateParams

protected void validateParams(P parms)

cleanup

protected void cleanup()