hex.pca

Class PCAModel

java.lang.Object

water.Iced

water.Lockable<Model>

water.Model

hex.pca.PCAModel

All Implemented Interfaces:

java.lang.Cloneable, Freezable

public class PCAModel
extends Model

Nested Class Summary

Nested classes/interfaces inherited from class water.Model

Model.ModelAutobufferSerializer, Model.ModelCategory

Field Summary

Fields

Modifier and Type	Field and Description
static DocGen.FieldDoc[]	DOC_FIELDS

Fields inherited from class water.Model

_dataKey, _domains, _have_cv_results, _modelClassDist, _names, _priorClassDist, GEN_BENCHMARK_CODE, training_duration_in_ms, training_start_time, warnings

Fields inherited from class water.Lockable

_key, _lockers

Constructor Summary

Constructors

Constructor and Description
PCAModel(PCA params, Key selfKey, Key dataKey, FrameTask.DataInfo dinfo, Gram.GramTask gramt, double[] sdev, double[] propVar, double[] cumVar, double[][] eigVec, int rank, int num_pc)

Method Summary

Methods

Modifier and Type	Method and Description
double[][]	eigVec()
void	generateHTML(java.lang.String title, java.lang.StringBuilder sb)
PCA	get_params()
boolean	isSupervised()
Request2	job()
java.lang.String[]	namesExp()
int	nfeatures() Returns number of input features
java.lang.String	responseName()
protected float[]	score0(double[] data, float[] preds) Subclasses implement the scoring logic.
void	screevarString(java.lang.StringBuilder sb)
double[]	sdev()
java.lang.String	toString()

Methods inherited from class water.Model

adapt, adapt, addWarning, calcError, classNames, cm, delete_impl, errStr, getDomainMapping, getDomainMapping, getModelCategory, getModelSerializer, getUniqueId, hasCrossValModels, isClassifier, missingColumnsType, mse, nclasses, printCrossValidationModelsHTML, score, score, score, score, score, score, score0, scoreCrossValidation, scoreImpl, setCrossValidationError, setModelClassDistribution, start_training, start_training, stop_training, testJavaScoring, toJava, toJava, toJavaDefaultMaxIters, toJavaFillPreds0, toJavaInit, toJavaInit, toJavaNCLASSES, toJavaPredictBody, toJavaSuper, toJavaUnifyPreds, varimp

Methods inherited from class water.Lockable

delete_and_lock, delete, delete, delete, delete, is_unlocked, is_wlocked, read_lock, read_lock, unlock_all, unlock_lockable, unlock, update, write_lock

Methods inherited from class water.Iced

clone, frozenType, init, newInstance, read, toDocField, write, writeJSON, writeJSONFields

Methods inherited from class java.lang.Object

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

Field Detail

DOC_FIELDS

public static DocGen.FieldDoc[] DOC_FIELDS

Constructor Detail

PCAModel

public PCAModel(PCA params,
        Key selfKey,
        Key dataKey,
        FrameTask.DataInfo dinfo,
        Gram.GramTask gramt,
        double[] sdev,
        double[] propVar,
        double[] cumVar,
        double[][] eigVec,
        int rank,
        int num_pc)

Method Detail

get_params

public final PCA get_params()

Overrides:

get_params in class Model

job

public final Request2 job()

Overrides:

job in class Model

nfeatures

public int nfeatures()

Description copied from class: Model

Returns number of input features

Overrides:

nfeatures in class Model

isSupervised

public boolean isSupervised()

Overrides:

isSupervised in class Model

responseName

public java.lang.String responseName()

Overrides:

responseName in class Model

sdev

public double[] sdev()

eigVec

public double[][] eigVec()

score0

protected float[] score0(double[] data,
             float[] preds)

Description copied from class: Model

Subclasses implement the scoring logic. The data is pre-loaded into a re-used temp array, in the order the model expects. The predictions are loaded into the re-used temp array, which is also returned.

Specified by:

score0 in class Model

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

namesExp

public java.lang.String[] namesExp()

generateHTML

public void generateHTML(java.lang.String title,
                java.lang.StringBuilder sb)

screevarString

public void screevarString(java.lang.StringBuilder sb)