hex.glm

Class GLMTask.GLMGaussianGradientTask

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter<T>

water.DTask<T>

water.MRTask<hex.glm.GLMTask.GLMGradientTask>

hex.glm.GLMTask.GLMGaussianGradientTask

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.util.concurrent.Future<java.lang.Void>, jsr166y.ForkJoinPool.ManagedBlocker, water.Freezable<hex.glm.GLMTask.GLMGradientTask>

Enclosing class:

GLMTask

public static class GLMTask.GLMGaussianGradientTask
extends water.MRTask<hex.glm.GLMTask.GLMGradientTask>

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class water.MRTask

water.MRTask.PostMapAction<T extends water.MRTask.PostMapAction<T>>

Nested classes/interfaces inherited from class water.DTask

water.DTask.DKeyTask<T extends water.DTask.DKeyTask,V extends water.Keyed>, water.DTask.RemoveCall

Field Summary

Fields

Modifier and Type	Field and Description
protected DataInfo	_dinfo
int[][]	_gamBetaIndices
double[]	_gradient
double	_likelihood
double[][][]	_penalty_mat

Fields inherited from class water.MRTask

_appendables, _fr, _fs, _hi, _keys, _left, _lo, _nhi, _nleft, _nlo, _nrite, _rite, _run_local, _topLocal

Fields inherited from class water.DTask

_ex

Constructor Summary

Constructors

Constructor and Description
GLMGaussianGradientTask(water.Key jobKey, DataInfo dinfo, GLMModel.GLMParameters parms, double lambda, double[] beta)
GLMGaussianGradientTask(water.Key jobKey, DataInfo dinfo, GLMModel.GLMParameters parms, double lambda, double[] beta, double[][][] penaltyMat, int[][] gamCol)

Method Summary

Modifier and Type	Method and Description
protected void	computeGradientMultipliers(double[] es, double[] ys, double[] ws)
void	map(water.fvec.Chunk[] chks)
void	postGlobal()
void	reduce(hex.glm.GLMTask.GLMGradientTask gmgt)

Methods inherited from class water.MRTask

appendables, asyncExecOnAllNodes, block, closeLocal, compute2, dfork, dfork, dfork, dfork, dfork, dinvoke, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAllNodes, getResult, getResult, isReleasable, map, map, map, map, map, map, map, map, map, map, map, modifiesVolatileVecs, onCompletion, onExceptionalCompletion, outputFrame, outputFrame, outputFrame, profile, profString, self, setupLocal, withPostMapAction

Methods inherited from class water.DTask

copyOver, getDException, hasException, logVerbose, onAck, onAckAck, setException

Methods inherited from class water.H2O.H2OCountedCompleter

asBytes, clone, compute, compute1, currThrPriority, frozenType, icer, priority, read, readJSON, reloadFromBytes, write, writeJSON

Methods inherited from class jsr166y.CountedCompleter

__tryComplete, addToPendingCount, compareAndSetPendingCount, complete, exec, getCompleter, getPendingCount, getRawResult, setCompleter, setPendingCount, setRawResult, tryComplete

Methods inherited from class jsr166y.ForkJoinTask

adapt, adapt, adapt, cancel, compareAndSetForkJoinTaskTag, completeExceptionally, fork, get, get, get, getException, getForkJoinTaskTag, getPool, getQueuedTaskCount, getSurplusQueuedTaskCount, helpQuiesce, inForkJoinPool, invoke, invokeAll, invokeAll, invokeAll, isCancelled, isCompletedAbnormally, isCompletedNormally, isDone, join, peekNextLocalTask, pollNextLocalTask, pollTask, quietlyComplete, quietlyInvoke, quietlyJoin, reinitialize, setForkJoinTaskTag, tryUnfork

Methods inherited from class java.lang.Object

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

Field Detail

_gradient

public double[] _gradient

_likelihood

public double _likelihood

_dinfo

protected final DataInfo _dinfo

_penalty_mat

public double[][][] _penalty_mat

_gamBetaIndices

public int[][] _gamBetaIndices

Constructor Detail

GLMGaussianGradientTask

public GLMGaussianGradientTask(water.Key jobKey,
                               DataInfo dinfo,
                               GLMModel.GLMParameters parms,
                               double lambda,
                               double[] beta)

GLMGaussianGradientTask

public GLMGaussianGradientTask(water.Key jobKey,
                               DataInfo dinfo,
                               GLMModel.GLMParameters parms,
                               double lambda,
                               double[] beta,
                               double[][][] penaltyMat,
                               int[][] gamCol)

Method Detail

computeGradientMultipliers

protected void computeGradientMultipliers(double[] es,
                                          double[] ys,
                                          double[] ws)

map

public void map(water.fvec.Chunk[] chks)

Overrides:

map in class water.MRTask<hex.glm.GLMTask.GLMGradientTask>

reduce

public final void reduce(hex.glm.GLMTask.GLMGradientTask gmgt)

Overrides:

reduce in class water.MRTask<hex.glm.GLMTask.GLMGradientTask>

postGlobal

public final void postGlobal()

Overrides:

postGlobal in class water.MRTask<hex.glm.GLMTask.GLMGradientTask>