hex.glm

Class GLMTask.GLMIterationTask

java.lang.Object

jsr166y.ForkJoinTask<java.lang.Void>

jsr166y.CountedCompleter

water.H2O.H2OCountedCompleter<T>

water.DTask<T>

water.MRTask<T>

hex.FrameTask2<GLMTask.GLMIterationTask>

hex.glm.GLMTask.GLMIterationTask

All Implemented Interfaces:

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

Enclosing class:

GLMTask

public static class GLMTask.GLMIterationTask
extends FrameTask2<GLMTask.GLMIterationTask>

One iteration of glm, computes weighted gram matrix and t(x)*y vector and t(y)*y scalar.

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 Gram	_gram
double	_likelihood

Fields inherited from class hex.FrameTask2

_dinfo, _sparse

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
GLMIterationTask(water.Key jobKey, DataInfo dinfo, GLMModel.GLMWeightsFun glmw, double[] beta)
GLMIterationTask(water.Key jobKey, DataInfo dinfo, GLMModel.GLMWeightsFun glmw, double[] beta, int c)

Method Summary

Modifier and Type	Method and Description
void	chunkDone() Perform action after processing one "chunk" of data/
void	chunkInit() Initialization method, called once per "chunk".
Gram	getGram()
double[]	getXY()
double	getYY()
boolean	handlesSparseData()
boolean	hasNaNsOrInf()
protected void	processRow(DataInfo.Row r)
void	reduce(GLMTask.GLMIterationTask git)

Methods inherited from class hex.FrameTask2

map, setSparse, setupLocal

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, postGlobal, profile, profString, self, 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

_gram

protected Gram _gram

_likelihood

public double _likelihood

Constructor Detail

GLMIterationTask

public GLMIterationTask(water.Key jobKey,
                        DataInfo dinfo,
                        GLMModel.GLMWeightsFun glmw,
                        double[] beta)

GLMIterationTask

public GLMIterationTask(water.Key jobKey,
                        DataInfo dinfo,
                        GLMModel.GLMWeightsFun glmw,
                        double[] beta,
                        int c)

Method Detail

getXY

public double[] getXY()

getYY

public double getYY()

handlesSparseData

public boolean handlesSparseData()

Overrides:

handlesSparseData in class FrameTask2<GLMTask.GLMIterationTask>

chunkInit

public void chunkInit()

Description copied from class: FrameTask2

Initialization method, called once per "chunk". Typically create result object used by processRow to store rersults.

Overrides:

chunkInit in class FrameTask2<GLMTask.GLMIterationTask>

getGram

public Gram getGram()

processRow

protected void processRow(DataInfo.Row r)

Specified by:

processRow in class FrameTask2<GLMTask.GLMIterationTask>

chunkDone

public void chunkDone()

Description copied from class: FrameTask2

Perform action after processing one "chunk" of data/

Overrides:

chunkDone in class FrameTask2<GLMTask.GLMIterationTask>

reduce

public void reduce(GLMTask.GLMIterationTask git)

Overrides:

reduce in class water.MRTask<GLMTask.GLMIterationTask>

hasNaNsOrInf

public boolean hasNaNsOrInf()