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

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.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, _rowFilter, _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, _modifiesInputs

Constructor Summary

Constructors

Constructor and Description
GLMTask.GLMIterationTask(water.Key jobKey, DataInfo dinfo, double lambda, GLMModel.GLMParameters glm, boolean validate, double[] beta, double ymu, water.fvec.Vec rowFilter, water.H2O.H2OCountedCompleter cmp)

Method Summary

Methods

Modifier and Type	Method and Description
void	chunkInit() Initialization method, called once per "chunk".
boolean	handlesSparseData()
boolean	hasNaNsOrInf()
protected void	postGlobal()
protected void	processRow(DataInfo.Row r)
void	reduce(GLMTask.GLMIterationTask git)
double	sparseOffset()

Methods inherited from class hex.FrameTask2

chunkDone, map, setSparse

Methods inherited from class water.MRTask

appendables, asyncExec, asyncExec, asyncExec, asyncExec, asyncExecOnAllNodes, block, closeLocal, compute2, dfork, dfork, dfork, dfork, dinvoke, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAll, doAllNodes, getResult, isReleasable, map, map, map, map, map, map, map, map, map, map, map, map, onCompletion, onExceptionalCompletion, outputFrame, outputFrame, outputFrame, postLocal, priority, profString, self, setProfile, setupLocal

Methods inherited from class water.DTask

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

Methods inherited from class water.H2O.H2OCountedCompleter

clone, compute, frozenType, icer, nextThrPriority, read_impl, read, readJSON_impl, readJSON, write_impl, write, writeJSON_impl, writeJSON

Methods inherited from class jsr166y.CountedCompleter

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, 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

GLMTask.GLMIterationTask

public GLMTask.GLMIterationTask(water.Key jobKey,
                        DataInfo dinfo,
                        double lambda,
                        GLMModel.GLMParameters glm,
                        boolean validate,
                        double[] beta,
                        double ymu,
                        water.fvec.Vec rowFilter,
                        water.H2O.H2OCountedCompleter cmp)

Method Detail

handlesSparseData

public boolean handlesSparseData()

Overrides:

handlesSparseData in class FrameTask2<GLMTask.GLMIterationTask>

sparseOffset

public double sparseOffset()

Overrides:

sparseOffset 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>

processRow

protected void processRow(DataInfo.Row r)

Specified by:

processRow in class FrameTask2<GLMTask.GLMIterationTask>

reduce

public void reduce(GLMTask.GLMIterationTask git)

Overrides:

reduce in class water.MRTask<GLMTask.GLMIterationTask>

postGlobal

protected void postGlobal()

Overrides:

postGlobal in class water.MRTask<GLMTask.GLMIterationTask>

hasNaNsOrInf

public boolean hasNaNsOrInf()