hex.pca
Class PCA

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.Job
                                      water.Job.FrameJob
                                          water.Job.ColumnsJob
                                              hex.pca.PCA

All Implemented Interfaces:

java.lang.Cloneable, Freezable

public class PCA
extends Job.ColumnsJob

Principal Components Analysis This is an algorithm for dimensionality reduction of numerical data. PCA on Wikipedia

Nested Class Summary

Nested classes/interfaces inherited from class water.Job

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

Nested classes/interfaces inherited from class water.Request2

Request2.ColumnSelect, Request2.Dependent, Request2.DoClassBoolean, 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

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.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.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.Real, RequestArguments.Record<T>, RequestArguments.RFModelKey, RequestArguments.RSeq, 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

static DocGen.FieldDoc[]	DOC_FIELDS
PCAModel	pca_model

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, CANCELLED_END_TIME, description, destination_key, end_time, exception, job_key, start_time

Fields inherited from class water.Request2

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, CASE, CASE_MODE, CHUNK, CLASS, CLOUD_NAME, CLOUD_SIZE, CLUSTERS, COEFFICIENTS, COLS, COLUMNS_DISPLAY, CONSENSUS, CONTENTS, COUNT, DATA_KEY, DEPTH, DESCRIPTION, DEST_KEY, DTHRESHOLDS, 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_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, 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

PCA()

PCA(java.lang.String desc, Key dest, Frame src, double tolerance, boolean standardize)

PCA(java.lang.String desc, Key dest, Frame src, int max_pc, double tolerance, boolean standardize)

Method Summary

PCAModel	buildModel(Frame data, Gram.GramTask tsk)
protected void	exec() Actual job code.
static int	getNumPC(double[] sdev, double tol)
protected void	init() Invoked before job runs.
static java.lang.String	link(Key src_key, java.lang.String content)
protected RequestBuilders.Response	redirect()

Methods inherited from class water.Job.ColumnsJob

logStart, selectFrame, selectVecs

Methods inherited from class water.Job

all, cancel, cancel, cancel, cancel, cancelled, cancelled, checkIdx, defaultDestKey, defaultJobKey, dest, done, findJob, findJobByDest, fork, get, gridParallelism, invoke, onCancelled, progress, remove, runTimeMs, self, serve, speedDescription, speedValue, start, waitUntilJobEnded, waitUntilJobEnded

Methods inherited from class water.Request2

create, fillResponseInfo, input, registered, serveGrid, set, split, superServeGrid, supportedVersions

Methods inherited from class water.api.Request

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

Methods inherited from class water.api.RequestBuilders

build, buildJSONResponseBox, buildResponseHeader, name

Methods inherited from class water.api.RequestQueries

buildQuery, checkArguments, queryArgumentValueSet

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, toString, wait, wait, wait

Field Detail

DOC_FIELDS

public static DocGen.FieldDoc[] DOC_FIELDS

pca_model

public PCAModel pca_model

Constructor Detail

PCA

public PCA()

PCA

public PCA(java.lang.String desc,
           Key dest,
           Frame src,
           double tolerance,
           boolean standardize)

PCA

public PCA(java.lang.String desc,
           Key dest,
           Frame src,
           int max_pc,
           double tolerance,
           boolean standardize)

Method Detail

exec

protected void exec()

Description copied from class: Job

Actual job code. Should be blocking until execution is done.

Overrides:

exec in class Job

init

protected void init()

Description copied from class: Job

Invoked before job runs. This is the place to checks arguments are valid or throw IllegalArgumentException. It will get invoked both from the Web and Java APIs.

Overrides:

init in class Job.ColumnsJob

redirect

protected RequestBuilders.Response redirect()

Overrides:

redirect in class Job

buildModel

public PCAModel buildModel(Frame data,
                           Gram.GramTask tsk)

getNumPC

public static int getNumPC(double[] sdev,
                           double tol)

link

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