hex.pca

Class PCA

java.lang.Object

water.Iced

hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

hex.pca.PCA

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable

public class PCA
extends hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

Principal Components Analysis It computes the principal components from the singular value decomposition using the power method. SVD via Power Method Algorithm

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class hex.ModelBuilder

hex.ModelBuilder.BuilderVisibility, hex.ModelBuilder.Driver, hex.ModelBuilder.FilterCols, hex.ModelBuilder.ModelTrainingCoordinator, hex.ModelBuilder.ValidationMessage

Field Summary

Fields inherited from class hex.ModelBuilder

_coordinator, _desc, _eventPublisher, _fold, _input_parms, _job, _messages, _nclass, _offset, _orig_projection_array, _origDomains, _origNames, _origTrain, _parms, _priorClassDist, _removedCols, _response, _result, _startUpOnceModelBuilder, _train, _treatment, _valid, _vresponse, _weights

Constructor Summary

Constructors

Constructor and Description
PCA(boolean startup_once)
PCA(PCAModel.PCAParameters parms)

Method Summary

Modifier and Type	Method and Description
hex.ModelCategory[]	can_build()
protected void	checkMemoryFootPrint_impl()
boolean	haveMojo()
boolean	havePojo()
void	init(boolean expensive)
boolean	isSupervised()
void	setWideDataset(boolean isWide)
protected hex.pca.PCA.PCADriver	trainModelImpl()

Methods inherited from class hex.ModelBuilder

algoName, algos, builderVisibility, canLearnFromNAs, checkCustomMetricForEarlyStopping, checkDistributions, checkEarlyStoppingReproducibility, checkMemoryFootPrint, checkResponseVariable, clearInitState, clearValidationErrors, computeCrossValidation, computePriorClassDistribution, cv_buildModels, cv_canBuildMainModelInParallel, cv_computeAndSetOptimalParameters, cv_initStoppingParameters, cv_mainModelScores, cv_makeAggregateModelMetrics, cv_scoreCVModels, cv_updateOptimalParameters, defaultKey, desiredChunks, dest, error_count, error, get, getMessagesByFieldAndSeverity, getName, getSysProperty, getToEigenVec, hasFoldCol, hasOffsetCol, hasTreatmentCol, hasWeightCol, hide, ignoreBadColumns, ignoreConstColumns, ignoreInvalidColumns, ignoreStringColumns, ignoreUuidColumns, info, init_adaptFrameToTrain, init_getNClass, initWorkspace, isClassifier, isResponseOptional, isStopped, javaName, logMe, make, make, make, makeCVMetrics, makeCVModelBuilder, makeParameters, makePojoWriter, message, nclasses, nFoldCV, nFoldWork, nModelsInParallel, nModelsInParallel, nModelsInParallel, numSpecialCols, paramName, raiseReproducibilityWarning, rebalance, remainingTimeSecs, response, schemaDirectory, separateFeatureVecs, setMaxRuntimeSecsForMainModel, setTrain, setValid, shouldReorder, smallDataSize, stop_requested, timeout, train, trainModel, trainModel, trainModelNested, trainModelNested, trainModelOnH2ONode, valid, validateBinaryResponse, validateStoppingMetric, validationErrors, validationWarnings, vresponse, warn

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

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

Constructor Detail

PCA

public PCA(PCAModel.PCAParameters parms)

PCA

public PCA(boolean startup_once)

Method Detail

trainModelImpl

protected hex.pca.PCA.PCADriver trainModelImpl()

Specified by:

trainModelImpl in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

can_build

public hex.ModelCategory[] can_build()

Specified by:

can_build in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

isSupervised

public boolean isSupervised()

Specified by:

isSupervised in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

havePojo

public boolean havePojo()

Overrides:

havePojo in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

haveMojo

public boolean haveMojo()

Overrides:

haveMojo in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

checkMemoryFootPrint_impl

protected void checkMemoryFootPrint_impl()

Overrides:

checkMemoryFootPrint_impl in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>

setWideDataset

public void setWideDataset(boolean isWide)

init

public void init(boolean expensive)

Overrides:

init in class hex.ModelBuilder<PCAModel,PCAModel.PCAParameters,PCAModel.PCAOutput>