hex.grid

Class HyperSpaceWalker.RandomDiscreteValueWalker<MP extends Model.Parameters>

java.lang.Object

hex.grid.HyperSpaceWalker.BaseWalker<MP,HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria>

hex.grid.HyperSpaceWalker.RandomDiscreteValueWalker<MP>

All Implemented Interfaces:

HyperSpaceWalker<MP,HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria>

Enclosing interface:

HyperSpaceWalker<MP extends Model.Parameters,C extends HyperSpaceSearchCriteria>

public static class HyperSpaceWalker.RandomDiscreteValueWalker<MP extends Model.Parameters>
extends HyperSpaceWalker.BaseWalker<MP,HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria>

Hyperparameter space walker which visits random combinations of hyperparameters whose possible values are given in explicit lists as they are with CartesianWalker.

Nested Class Summary

Nested classes/interfaces inherited from class hex.grid.HyperSpaceWalker.BaseWalker

HyperSpaceWalker.BaseWalker.WalkerFactory<MP extends Model.Parameters,C extends HyperSpaceSearchCriteria>

Nested classes/interfaces inherited from interface hex.grid.HyperSpaceWalker

HyperSpaceWalker.BaseWalker<MP extends Model.Parameters,C extends HyperSpaceSearchCriteria>, HyperSpaceWalker.CartesianWalker<MP extends Model.Parameters>, HyperSpaceWalker.HyperSpaceIterator<MP extends Model.Parameters>, HyperSpaceWalker.RandomDiscreteValueWalker<MP extends Model.Parameters>

Field Summary

Fields inherited from class hex.grid.HyperSpaceWalker.BaseWalker

_hyperParamNames, _hyperParams, _maxHyperSpaceSize, _search_criteria, _set_model_seed_from_search_seed

Constructor Summary

Constructors

Constructor and Description
HyperSpaceWalker.RandomDiscreteValueWalker(MP params, java.util.Map<java.lang.String,java.lang.Object[]> hyperParams, ModelParametersBuilderFactory<MP> paramsBuilderFactory, HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria search_criteria)

Method Summary

Methods

Modifier and Type	Method and Description
HyperSpaceWalker.HyperSpaceIterator<MP>	iterator() Returns an iterator to traverse this hyper-space.
boolean	stopEarly(Model model, ScoringInfo[] sk) Based on the last model, the given array of ScoringInfo, and our stopping criteria should we stop early?

Methods inherited from class hex.grid.HyperSpaceWalker.BaseWalker

computeMaxSizeOfHyperSpace, getHyperParamNames, getMaxHyperSpaceSize, getModelParams, getParametersBuilderFactory, getParams, hypers, integerHash, search_criteria

Methods inherited from class java.lang.Object

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

Constructor Detail

HyperSpaceWalker.RandomDiscreteValueWalker

public HyperSpaceWalker.RandomDiscreteValueWalker(MP params,
                                          java.util.Map<java.lang.String,java.lang.Object[]> hyperParams,
                                          ModelParametersBuilderFactory<MP> paramsBuilderFactory,
                                          HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria search_criteria)

Method Detail

stopEarly

public boolean stopEarly(Model model,
                ScoringInfo[] sk)

Based on the last model, the given array of ScoringInfo, and our stopping criteria should we stop early?

Specified by:

stopEarly in interface HyperSpaceWalker<MP extends Model.Parameters,HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria>

Overrides:

stopEarly in class HyperSpaceWalker.BaseWalker<MP extends Model.Parameters,HyperSpaceSearchCriteria.RandomDiscreteValueSearchCriteria>

iterator

public HyperSpaceWalker.HyperSpaceIterator<MP> iterator()

Description copied from interface: HyperSpaceWalker

Returns an iterator to traverse this hyper-space.

Returns:

an iterator