ai.h2o.automl

Class ModelingStep.SelectionStep<M extends hex.Model>

java.lang.Object

water.Iced<ModelingStep>

ai.h2o.automl.ModelingStep<M>

ai.h2o.automl.ModelingStep.SelectionStep<M>

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable<ModelingStep>

Enclosing class:

ModelingStep<M extends hex.Model>

public abstract static class ModelingStep.SelectionStep<M extends hex.Model>
extends ModelingStep<M>

Step designed to train some models (or not) and then deciding to make a selection and add and/or remove models to/from the current leaderboard.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class ai.h2o.automl.ModelingStep

ModelingStep.DynamicStep<M extends hex.Model>, ModelingStep.GridStep<M extends hex.Model>, ModelingStep.ModelStep<M extends hex.Model>, ModelingStep.SeedPolicy, ModelingStep.SelectionStep<M extends hex.Model>

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_SELECTION_GROUP
static int	DEFAULT_SELECTION_TRAINING_WEIGHT

Fields inherited from class ai.h2o.automl.ModelingStep

_algo, _description, _id, _ignoredConstraints, _priorityGroup, _provider, _weight, _work

Constructor Summary

Constructors

Constructor and Description
SelectionStep(java.lang.String provider, IAlgo algo, java.lang.String id, AutoML autoML)
SelectionStep(java.lang.String provider, IAlgo algo, java.lang.String id, int priorityGroup, int weight, AutoML autoML)

Method Summary

Modifier and Type	Method and Description
protected water.Job<Models>	asModelsJob(water.Job job, water.Key<Models> result)
protected WorkAllocations.JobType	getJobType()
protected abstract ModelSelectionStrategy	getSelectionStrategy()
protected water.Key<Models>	makeKey(java.lang.String name, boolean withCounter)
protected ModelSelectionStrategies.LeaderboardHolder	makeTmpLeaderboard(java.lang.String name)
protected water.Job<Models>	startJob() Starts a new Job as part of this step.
protected abstract water.Job<Models>	startTraining(water.Key<Models> result, double maxRuntimeSecs)

Methods inherited from class ai.h2o.automl.ModelingStep

aml, applyPreprocessing, canRun, equals, getAlgo, getAllocatedWork, getGlobalId, getId, getPreprocessingConfig, getPriorityGroup, getProvider, getSubStep, getTrainedModels, getTrainedModelsKeys, getWeight, getWorkAllocations, hashCode, ignores, initTimeConstraints, isCVEnabled, isResumable, iterateSubSteps, limitModelTrainingTime, makeWork, onDone, register, run, setClassBalancingParams, setCommonModelBuilderParams, setCrossValidationParams, setCustomParams, setDistributionParameters, setSeed, setStoppingCriteria, setWeightingParams, startModel, startSearch

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_SELECTION_TRAINING_WEIGHT

public static final int DEFAULT_SELECTION_TRAINING_WEIGHT

See Also:

Constant Field Values

DEFAULT_SELECTION_GROUP

public static final int DEFAULT_SELECTION_GROUP

See Also:

Constant Field Values

Constructor Detail

SelectionStep

public SelectionStep(java.lang.String provider,
                     IAlgo algo,
                     java.lang.String id,
                     AutoML autoML)

SelectionStep

public SelectionStep(java.lang.String provider,
                     IAlgo algo,
                     java.lang.String id,
                     int priorityGroup,
                     int weight,
                     AutoML autoML)

Method Detail

getJobType

protected WorkAllocations.JobType getJobType()

Specified by:

getJobType in class ModelingStep<M extends hex.Model>

makeKey

protected water.Key<Models> makeKey(java.lang.String name,
                                    boolean withCounter)

Overrides:

makeKey in class ModelingStep<M extends hex.Model>

makeTmpLeaderboard

protected ModelSelectionStrategies.LeaderboardHolder makeTmpLeaderboard(java.lang.String name)

startJob

protected water.Job<Models> startJob()

Description copied from class: ModelingStep

Starts a new Job as part of this step.

Specified by:

startJob in class ModelingStep<M extends hex.Model>

Returns:

the newly started job.

startTraining

protected abstract water.Job<Models> startTraining(water.Key<Models> result,
                                                   double maxRuntimeSecs)

getSelectionStrategy

protected abstract ModelSelectionStrategy getSelectionStrategy()

asModelsJob

protected water.Job<Models> asModelsJob(water.Job job,
                                        water.Key<Models> result)