hex.svd

Class SVD

java.lang.Object

water.Iced<T>

water.Keyed

water.Job<M>

hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

hex.svd.SVD

All Implemented Interfaces:

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

Direct Known Subclasses:

PCA.EmbeddedSVD

public class SVD
extends hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

Singular Value Decomposition SVD via Power Method Algorithm Proof of Convergence for Power Method

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class hex.ModelBuilder

hex.ModelBuilder.BuilderVisibility, hex.ModelBuilder.ValidationMessage

Nested classes/interfaces inherited from class water.Job

water.Job.JobCancelledException, water.Job.JobState, water.Job.Progress, water.Job.ProgressUpdate

Nested classes/interfaces inherited from class water.Keyed

water.Keyed.BinarySerializer<X extends water.Keyed>

Field Summary

Fields inherited from class hex.ModelBuilder

_messages, _nclass, _offset, _parms, _response, _train, _valid, _vresponse, _weights

Fields inherited from class water.Job

_description, _dest, _end_time, _exception, _progressKey, _start_time, _state, LIST

Fields inherited from class water.Keyed

_key, EMPTY_KEY_LIST

Constructor Summary

Constructors

Constructor and Description
SVD(SVDModel.SVDParameters parms)

Method Summary

Methods

Modifier and Type	Method and Description
hex.ModelBuilder.BuilderVisibility	builderVisibility()
hex.ModelCategory[]	can_build()
protected static water.fvec.Chunk	chk_u(water.fvec.Chunk[] chks, int c, int ncols)
void	init(boolean expensive)
double[]	powerLoop(Gram gram, double[] vinit)
double[]	powerLoop(Gram gram, long seed)
hex.schemas.ModelBuilderSchema	schema()
water.Job<SVDModel>	trainModel()
static double[][]	updateIVVSum(double[][] ivv_sum, double[] vec)

Methods inherited from class hex.ModelBuilder

checkMemoryFootPrint, clearInitState, computePriorClassDistribution, createModelBuilder, error_count, error, getAlgo, getAlgo, getAlgo, getAlgoFullName, getModelBuilder, getModelBuilders, getModelClass, hasOffset, hasWeights, hide, ignoreBadColumns, ignoreStringColumns, info, isClassifier, isSupervised, nclasses, registerModelBuilder, response, responseMean, separateFeatureVecs, train, updateValidationMessages, valid, validationErrors, vresponse, warn

Methods inherited from class water.Job

cancel, cancel, checksum_impl, createProgressKey, deleteProgressKey, dest, done, failed, get, isCancelledOrCrashed, isDone, isRunning, isRunning, isStopped, jobs, msec, progress_msg, progress, remove_impl, start, update, update, update, update

Methods inherited from class water.Keyed

checksum, getBinarySerializer, getPublishedKeys, remove, remove, remove, remove

Methods inherited from class water.Iced

clone, frozenType, read_impl, read, readExternal, readJSON_impl, readJSON, toJsonString, write_impl, write, writeExternal, writeHTML_impl, writeHTML, writeJSON_impl, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

SVD

public SVD(SVDModel.SVDParameters parms)

Method Detail

schema

public hex.schemas.ModelBuilderSchema schema()

Specified by:

schema in class hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

trainModel

public water.Job<SVDModel> trainModel()

Specified by:

trainModel in class hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

can_build

public hex.ModelCategory[] can_build()

Specified by:

can_build in class hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

builderVisibility

public hex.ModelBuilder.BuilderVisibility builderVisibility()

Specified by:

builderVisibility in class hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

init

public void init(boolean expensive)

Overrides:

init in class hex.ModelBuilder<SVDModel,SVDModel.SVDParameters,SVDModel.SVDOutput>

powerLoop

public double[] powerLoop(Gram gram,
                 long seed)

powerLoop

public double[] powerLoop(Gram gram,
                 double[] vinit)

updateIVVSum

public static double[][] updateIVVSum(double[][] ivv_sum,
                      double[] vec)

chk_u

protected static water.fvec.Chunk chk_u(water.fvec.Chunk[] chks,
                     int c,
                     int ncols)