hex

Class NeuralNet

java.lang.Object

water.Iced

water.api.Constants

water.api.RequestStatics

water.api.RequestArguments

water.api.RequestQueries

water.api.RequestBuilders

water.api.Request

water.Request2

water.Func

water.Job

water.Job.FrameJob

water.Job.ColumnsJob

water.Job.ModelJob

water.Job.ValidatedJob

hex.NeuralNet

All Implemented Interfaces:

java.lang.Cloneable, Freezable

public class NeuralNet
extends Job.ValidatedJob

Neural network.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NeuralNet.Activation Activation functions
static class	NeuralNet.Errors
static class	NeuralNet.ExecutionMode
static class	NeuralNet.InitialWeightDistribution
static class	NeuralNet.Loss Loss functions CrossEntropy is recommended
static class	NeuralNet.NeuralNetModel
static class	NeuralNet.NeuralNetScore

Nested classes/interfaces inherited from class water.Job.ValidatedJob

Job.ValidatedJob.Response2CMAdaptor

Nested classes/interfaces inherited from class water.Job

Job.ChunkProgress, Job.ChunkProgressJob, Job.ColumnsJob, Job.Fail, Job.FrameJob, Job.HexJob, Job.JobCancelledException, Job.JobState, Job.List, Job.ModelJob, Job.Progress, Job.ProgressMonitor, Job.ValidatedJob

Nested classes/interfaces inherited from class water.Request2

Request2.ColumnSelect, Request2.Dependent, Request2.DoClassBoolean, Request2.DRFCopyDataBoolean, Request2.MultiVecSelect, Request2.MultiVecSelectType, Request2.TypeaheadKey, Request2.VecClassSelect, Request2.VecSelect

Nested classes/interfaces inherited from class water.api.Request

Request.API, Request.Default, Request.Filter, Request.Validator<V>

Nested classes/interfaces inherited from class water.api.RequestBuilders

RequestBuilders.ArrayBuilder, RequestBuilders.ArrayHeaderRowBuilder, RequestBuilders.ArrayRowBuilder, RequestBuilders.ArrayRowElementBuilder, RequestBuilders.ArrayRowSingleColBuilder, RequestBuilders.BooleanStringBuilder, RequestBuilders.Builder, RequestBuilders.ElementBuilder, RequestBuilders.HideBuilder, RequestBuilders.KeyCellBuilder, RequestBuilders.KeyElementBuilder, RequestBuilders.KeyLinkElementBuilder, RequestBuilders.KeyMinAvgMaxBuilder, RequestBuilders.NoCaptionObjectBuilder, RequestBuilders.ObjectBuilder, RequestBuilders.PaginatedTable, RequestBuilders.PreFormattedBuilder, RequestBuilders.Response, RequestBuilders.ResponseInfo, RequestBuilders.WarningCellBuilder

Nested classes/interfaces inherited from class water.api.RequestArguments

RequestArguments.Argument<T>, RequestArguments.Bool, RequestArguments.CaseModeSelect, RequestArguments.CaseSelect, RequestArguments.ClassifyBool, RequestArguments.DRFCopyDataBool, RequestArguments.EnumArgument<T extends java.lang.Enum<T>>, RequestArguments.ExistingFile, RequestArguments.FrameClassVec, RequestArguments.FrameKeyMultiVec, RequestArguments.FrameKeyVec, RequestArguments.GeneralFile, RequestArguments.H2OCategoryStrata, RequestArguments.H2OCategoryWeights, RequestArguments.H2OExistingKey, RequestArguments.H2OGLMModelKey, RequestArguments.H2OHexKey, RequestArguments.H2OHexKeyCol, RequestArguments.H2OIllegalArgumentException, RequestArguments.H2OKey, RequestArguments.H2OKey2, RequestArguments.H2OKMeansModelKey, RequestArguments.H2OModelKey<TM extends OldModel,TK extends TypeaheadKeysRequest>, RequestArguments.HexAllColumnSelect, RequestArguments.HexColumnSelect, RequestArguments.HexKeyClassCol, RequestArguments.HexNonClassColumnSelect, RequestArguments.HexNonConstantColumnSelect, RequestArguments.HexPCAColumnSelect, RequestArguments.InputCheckBox, RequestArguments.InputSelect<T>, RequestArguments.InputText<T>, RequestArguments.Int, RequestArguments.LongInt, RequestArguments.MultipleSelect<T>, RequestArguments.MultipleText<T>, RequestArguments.NTree, RequestArguments.NumberSequence, RequestArguments.NumberSequenceFloat, RequestArguments.Real, RequestArguments.Record<T>, RequestArguments.RFModelKey, RequestArguments.RSeq, RequestArguments.RSeqFloat, RequestArguments.Str, RequestArguments.StringList, RequestArguments.TypeaheadInputText<T>

Nested classes/interfaces inherited from class water.api.RequestStatics

RequestStatics.RequestType

Nested classes/interfaces inherited from class water.api.Constants

Constants.Extensions, Constants.Schemes, Constants.Suffixes

Field Summary

Fields

Modifier and Type	Field and Description
NeuralNet.Activation	activation
boolean	diagnostics
static DocGen.FieldDoc[]	DOC_FIELDS
static java.lang.String	DOC_GET
double	epochs
boolean	expert_mode
boolean	fast_mode
int[]	hidden
NeuralNet.InitialWeightDistribution	initial_weight_distribution
double	initial_weight_scale
double	input_dropout_ratio
double	l1
double	l2
NeuralNet.Loss	loss
double	max_w2
NeuralNet.ExecutionMode	mode
long	momentum_ramp
double	momentum_stable
double	momentum_start
double	rate
double	rate_annealing
double	rate_decay
static boolean	running
double	score_interval
long	score_training
long	score_validation
long	seed
long	warmup_samples

Fields inherited from class water.Job.ValidatedJob

_cmDomain, _names, _responseName, _sourceResponseDomain, _train, _valid, _validResponse, _validResponseDomain, validation

Fields inherited from class water.Job.ModelJob

classification, response

Fields inherited from class water.Job.ColumnsJob

cols, ignored_cols, ignored_cols_by_name

Fields inherited from class water.Job.FrameJob

source

Fields inherited from class water.Job

_fjtask, description, destination_key, end_time, exception, job_key, LIST, start_time, state

Fields inherited from class water.Request2

_parms, response_info

Fields inherited from class water.api.Request

_requestHelp, SUPPORTS_ONLY_V1, SUPPORTS_ONLY_V2, SUPPORTS_V1_V2

Fields inherited from class water.api.RequestBuilders

ARRAY_BUILDER, ARRAY_HEADER_ROW_BUILDER, ARRAY_ROW_BUILDER, ARRAY_ROW_ELEMENT_BUILDER, ARRAY_ROW_SINGLECOL_BUILDER, ELEMENT_BUILDER, GSON_BUILDER, OBJECT_BUILDER, ROOT_OBJECT

Fields inherited from class water.api.RequestQueries

_queryHtml

Fields inherited from class water.api.RequestArguments

_arguments

Fields inherited from class water.api.Constants

ALPHA, ARGUMENTS, AUC, BASE, BEST_THRESHOLD, BETA_EPS, BIN_LIMIT, BROWSE, BUCKET, BUILT_IN_KEY_JOBS, CANCELLED, CARDINALITY, CASE, CASE_MODE, CHUNK, CLASS, CLOUD_HEALTH, CLOUD_NAME, CLOUD_SIZE, CLOUD_UPTIME_MILLIS, CLUSTERS, COEFFICIENTS, COL_INDEX, COLS, COLUMN_NAME, COLUMNS_DISPLAY, CONSENSUS, CONTENTS, COUNT, DATA_KEY, DEPTH, DESCRIPTION, DEST_KEY, DTHRESHOLDS, ELAPSED, END_TIME, ENUM_DOMAIN_SIZE, ERROR, ESCAPE_NAN, EXCLUSIVE_SPLIT_LIMIT, EXPRESSION, FAILED, FAMILY, FEATURES, FILE, FILES, FILTER, FIRST_CHUNK, FJ_QUEUE_HI, FJ_QUEUE_LO, FJ_THREADS_HI, FJ_THREADS_LO, FREE_DISK, FREE_MEM, HEADER, HEIGHT, HELP, IGNORE, ITEMS, ITERATIVE_CM, JOB, JOB_KEY, JOBS, JSON_H2O, KEY, KEYS, LAMBDA, LAST_CONTACT, LIMIT, LINK, LOCKED, MAX, MAX_DISK, MAX_ITER, MAX_MEM, MAX_ROWS, MEAN, MIN, MODEL_KEY, MODELS, MORE, MTRY, MTRY_NODES, NAME, NEG_X, NO_CM, NODE, NODE_HEALTH, NODE_NAME, NODES, NORMALIZE, NUM_COLS, NUM_CPUS, NUM_FAILED, NUM_KEYS, NUM_MISSING_VALUES, NUM_ROWS, NUM_SUCCEEDED, NUM_TREES, OBJECT, OFFSET, OOBEE, PARALLEL, PARSER_TYPE, PATH, PREVIEW, PREVIOUS_MODEL_KEY, PROGRESS, PROGRESS_KEY, PROGRESS_TOTAL, REDIRECT, REDIRECT_ARGS, REPLICATION_FACTOR, REQUEST_TIME, RESPONSE, RHO, ROW, ROW_SIZE, ROWS, RPCS, SAMPLE, SAMPLING_STRATEGY, SCALE, SEED, SENT_ROWS, SEPARATOR, SIZE, SOURCE_KEY, STACK_TRACES, START_TIME, STAT_TYPE, STATUS, STEP, STRATA_SAMPLES, SUCCEEDED, SYSTEM_LOAD, TASK_KEY, TCPS_ACTIVE, TCPS_DUTY, TIME, TO_ENUM, TOT_MEM, TREE_COUNT, TREE_DEPTH, TREE_LEAVES, TREE_NUM, TREES, TWEEDIE_POWER, TYPE, URL, USE_NON_LOCAL_DATA, VALUE, VALUE_SIZE, VALUE_TYPE, VARIANCE, VERSION, VIEW, WARNINGS, WEIGHT, WEIGHTS, WIDTH, X, XVAL, Y

Constructor Summary

Constructors

Constructor and Description
NeuralNet()

Method Summary

Methods

Modifier and Type	Method and Description
static NeuralNet.Errors	eval(Layer[] ls, long n, long[][] cm)
static NeuralNet.Errors	eval(Layer[] ls, Vec[] vecs, Vec resp, long n, long[][] cm)
Job	fork() Forks computation of this job.
static java.lang.String	link(Key k, java.lang.String content)
float	progress() Return progress of this job.
protected void	queryArgumentValueSet(RequestArguments.Argument arg, java.util.Properties inputArgs) Overwrite this method to be able to change / disable values of other arguments on certain argument changes.
static void	reChunk(Vec[] vecs) Makes sure small datasets are spread over enough chunks to parallelize training.
protected RequestBuilders.Response	redirect()
protected void	registered(RequestServer.API_VERSION ver) Iterates over fields and their annotations, and creates argument handlers.
java.lang.String	speedDescription() Description of a speed criteria: msecs/frob
long	speedValue() Value of the described speed criteria: msecs/frob
boolean	toHTML(java.lang.StringBuilder sb)

Methods inherited from class water.Job.ValidatedJob

getCMDomain, getOrigValidation, getValidAdaptor, getValidation, getVectorDomain, hasValidation, init, prepareValidationWithModel, toJSON

Methods inherited from class water.Job.ColumnsJob

selectFrame, selectVecs

Methods inherited from class water.Job

all, cancel, cancel, cancel, checkIdx, defaultDestKey, defaultJobKey, dest, findJob, findJobByDest, get, getState, gridParallelism, invoke, isCancelledOrCrashed, isCancelledXX, isCrashed, isDone, isEnded, isRunning, isRunning, onCancelled, remove, runTimeMs, self, serve, start, waitUntilJobEnded, waitUntilJobEnded

Methods inherited from class water.Func

cleanup, emptyLTrash, exec, execImpl, gtrash, gtrash, ltrash, ltrash

Methods inherited from class water.Request2

create, fillResponseInfo, input, logStart, makeJsonBox, serveGrid, set, split, superServeGrid, supportedVersions, toString

Methods inherited from class water.api.Request

addToNavbar, addToNavbar, addToNavbar, DocExampleFail, DocExampleSucc, href, href, hrefType, HTMLHelp, htmlTemplate, initializeNavBar, log, mapTypeahead, ReSTHelp, serve, serveJava, serveResponse, toDocGET, toJava, wrap, wrap, wrap, writeJSONFields

Methods inherited from class water.api.RequestBuilders

build, buildJSONResponseBox, buildResponseHeader, name

Methods inherited from class water.api.RequestQueries

buildQuery, checkArguments

Methods inherited from class water.api.RequestArguments

arguments, argumentsToJson, frameColumnNameToIndex, vaCategoryNames, vaCategoryNames, vaColumnNameToIndex

Methods inherited from class water.api.RequestStatics

checkJsonName, encodeRedirectArgs, JSON2HTML, jsonError, requestName, Str2JSON

Methods inherited from class water.Iced

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

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

DOC_GET

public static final java.lang.String DOC_GET

See Also:

Constant Field Values

mode

public NeuralNet.ExecutionMode mode

activation

public NeuralNet.Activation activation

input_dropout_ratio

public double input_dropout_ratio

hidden

public int[] hidden

rate

public double rate

rate_annealing

public double rate_annealing

l1

public double l1

l2

public double l2

momentum_start

public double momentum_start

momentum_ramp

public long momentum_ramp

momentum_stable

public double momentum_stable

epochs

public double epochs

seed

public long seed

expert_mode

public boolean expert_mode

initial_weight_distribution

public NeuralNet.InitialWeightDistribution initial_weight_distribution

initial_weight_scale

public double initial_weight_scale

loss

public NeuralNet.Loss loss

rate_decay

public double rate_decay

max_w2

public double max_w2

warmup_samples

public long warmup_samples

score_training

public long score_training

score_validation

public long score_validation

score_interval

public double score_interval

diagnostics

public boolean diagnostics

fast_mode

public boolean fast_mode

running

public static volatile boolean running

Constructor Detail

NeuralNet

public NeuralNet()

Method Detail

toHTML

public boolean toHTML(java.lang.StringBuilder sb)

Overrides:

toHTML in class Request

registered

protected void registered(RequestServer.API_VERSION ver)

Description copied from class: Request2

Iterates over fields and their annotations, and creates argument handlers.

Overrides:

registered in class Job.ModelJob

queryArgumentValueSet

protected void queryArgumentValueSet(RequestArguments.Argument arg,
                         java.util.Properties inputArgs)

Description copied from class: RequestQueries

Overwrite this method to be able to change / disable values of other arguments on certain argument changes. This is done for both query checking and request checking.

Overrides:

queryArgumentValueSet in class RequestQueries

fork

public Job fork()

Description copied from class: Job

Forks computation of this job.

The call does not block.

Overrides:

fork in class Job

Returns:

always returns this job.

progress

public float progress()

Description copied from class: Job

Return progress of this job.

Overrides:

progress in class Job

Returns:

the value in interval <0,1> representing job progress.

eval

public static NeuralNet.Errors eval(Layer[] ls,
                    Vec[] vecs,
                    Vec resp,
                    long n,
                    long[][] cm)

eval

public static NeuralNet.Errors eval(Layer[] ls,
                    long n,
                    long[][] cm)

redirect

protected RequestBuilders.Response redirect()

Overrides:

redirect in class Job

link

public static java.lang.String link(Key k,
                    java.lang.String content)

speedDescription

public java.lang.String speedDescription()

Description copied from class: Job

Description of a speed criteria: msecs/frob

Overrides:

speedDescription in class Job

speedValue

public long speedValue()

Description copied from class: Job

Value of the described speed criteria: msecs/frob

Overrides:

speedValue in class Job

reChunk

public static void reChunk(Vec[] vecs)

Makes sure small datasets are spread over enough chunks to parallelize training.