A B C D F G I K L M N O P R S T V W

A

accept(Path) - Method in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

accept(File) - Method in class org.apache.mahout.text.SequenceFilesFromMailArchives.PrefixAdditionFilter

addDateFormat(Integer, DateFormat) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

addDateFormat(Integer, DateFormat) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

addLabel(String, Integer) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

addLabel(String, Integer) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

addNominal(String, String, int) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

addNominal(String, String, int) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

addOptions() - Method in class org.apache.mahout.text.SequenceFilesFromCsvFilter

addOptions() - Method in class org.apache.mahout.text.SequenceFilesFromDirectory

Override this method in order to add additional options to the command line of the SequenceFileFromDirectory job.

addType(Integer, ARFFType) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

addType(Integer, ARFFType) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

ARFF_COMMENT - Static variable in interface org.apache.mahout.utils.vectors.arff.ARFFModel

ARFF_SPARSE - Static variable in interface org.apache.mahout.utils.vectors.arff.ARFFModel

ARFFModel - Interface in org.apache.mahout.utils.vectors.arff

An interface for representing an ARFFModel.

ARFFType - Enum in org.apache.mahout.utils.vectors.arff

ARFFVectorIterable - Class in org.apache.mahout.utils.vectors.arff

Read in ARFF (http://www.cs.waikato.ac.nz/~ml/weka/arff.html) and create Vectors

Attribute type handling: Numeric -> As is Nominal -> ordinal(value) i.e.

ARFFVectorIterable(File, ARFFModel) - Constructor for class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

ARFFVectorIterable(File, Charset, ARFFModel) - Constructor for class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

ARFFVectorIterable(String, ARFFModel) - Constructor for class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

ARFFVectorIterable(Reader, ARFFModel) - Constructor for class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

ATTRIBUTE - Static variable in interface org.apache.mahout.utils.vectors.arff.ARFFModel

B

Bump125 - Class in org.apache.mahout.utils

Helps with making nice intervals at arbitrary scale.

Bump125() - Constructor for class org.apache.mahout.utils.Bump125

C

CachedTermInfo - Class in org.apache.mahout.utils.vectors.lucene

Caches TermEntries from a single field.

CachedTermInfo(IndexReader, String, int, int) - Constructor for class org.apache.mahout.utils.vectors.lucene.CachedTermInfo

CDbwEvaluator - Class in org.apache.mahout.clustering.cdbw

This class calculates the CDbw metric as defined in http://www.db-net.aueb.gr/index.php/corporate/content/download/227/833/file/HV_poster2002.pdf

CDbwEvaluator(Map<Integer, List<VectorWritable>>, List<Cluster>, DistanceMeasure) - Constructor for class org.apache.mahout.clustering.cdbw.CDbwEvaluator

For testing only

CDbwEvaluator(Configuration, Path) - Constructor for class org.apache.mahout.clustering.cdbw.CDbwEvaluator

Initialize a new instance from job information

charset - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

CHARSET_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromDirectory

CHUNK_SIZE_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromDirectory

ChunkedWriter - Class in org.apache.mahout.text

ChunkedWriter(Configuration, int, Path) - Constructor for class org.apache.mahout.text.ChunkedWriter

cleanup(Mapper<IntWritable, WeightedVectorWritable, IntWritable, WeightedVectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

cleanup(Reducer<IntWritable, WeightedVectorWritable, IntWritable, VectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

cloneBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

close() - Method in class org.apache.mahout.text.ChunkedWriter

close() - Method in class org.apache.mahout.text.SequenceFilesFromMailArchives.ChunkedWriter

close() - Method in class org.apache.mahout.utils.vectors.io.DelimitedTermInfoWriter

Does NOT close the underlying writer

close() - Method in class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

close() - Method in class org.apache.mahout.utils.vectors.io.TextualVectorWriter

closestCentroidBenchmark(DistanceMeasure) - Method in class org.apache.mahout.benchmark.VectorBenchmarks

ClusterDumper - Class in org.apache.mahout.utils.clustering

ClusterDumper(Path, Path) - Constructor for class org.apache.mahout.utils.clustering.ClusterDumper

ClusterDumper() - Constructor for class org.apache.mahout.utils.clustering.ClusterDumper

ClusterEvaluator - Class in org.apache.mahout.clustering.evaluation

ClusterEvaluator(Map<Integer, List<VectorWritable>>, List<Cluster>, DistanceMeasure) - Constructor for class org.apache.mahout.clustering.evaluation.ClusterEvaluator

For testing only

ClusterEvaluator(Configuration, Path) - Constructor for class org.apache.mahout.clustering.evaluation.ClusterEvaluator

Initialize a new instance from job information

ClusterLabels - Class in org.apache.mahout.utils.vectors.lucene

Get labels for the cluster using Log Likelihood Ratio (LLR).

ClusterLabels(Path, Path, String, String, int, int) - Constructor for class org.apache.mahout.utils.vectors.lucene.ClusterLabels

computeNext() - Method in class org.apache.mahout.utils.vectors.csv.CSVVectorIterator

computeNext() - Method in class org.apache.mahout.utils.vectors.lucene.LuceneIterator

computeRmse(Path) - Method in class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator

conf - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

configure(Map<Integer, List<VectorWritable>>, DistanceMeasure) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

configure(Map<Integer, List<VectorWritable>>) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

createBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

createSequenceFiles(File, String, String, int, Charset) - Method in class org.apache.mahout.text.SequenceFilesFromMailArchives

CSVVectorIterator - Class in org.apache.mahout.utils.vectors.csv

Iterates a CSV file and produces Vector.

CSVVectorIterator(Reader) - Constructor for class org.apache.mahout.utils.vectors.csv.CSVVectorIterator

CSVVectorIterator(Reader, CSVStrategy) - Constructor for class org.apache.mahout.utils.vectors.csv.CSVVectorIterator

D

DATA - Static variable in interface org.apache.mahout.utils.vectors.arff.ARFFModel

DatasetSplitter - Class in org.apache.mahout.utils.eval

Split a recommendation dataset into a training and a test set

DatasetSplitter() - Constructor for class org.apache.mahout.utils.eval.DatasetSplitter

DEFAULT_MAX_LABELS - Static variable in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

DEFAULT_MIN_IDS - Static variable in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

DelimitedTermInfoWriter - Class in org.apache.mahout.utils.vectors.io

Write TermInfo to a Writer in a textual, delimited format with header.

DelimitedTermInfoWriter(Writer, String, String) - Constructor for class org.apache.mahout.utils.vectors.io.DelimitedTermInfoWriter

deserializeBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

DICTIONARY_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

DICTIONARY_TYPE_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

DISTANCE_MEASURE_KEY - Static variable in class org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

distanceMeasureBenchmark(DistanceMeasure) - Method in class org.apache.mahout.benchmark.VectorBenchmarks

dotBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

Driver - Class in org.apache.mahout.utils.vectors.arff

Driver - Class in org.apache.mahout.utils.vectors.lucene

F

FILE_FILTER_CLASS_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromDirectory

fs - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

G

getAllEntries() - Method in class org.apache.mahout.utils.vectors.lucene.CachedTermInfo

getAllEntries() - Method in interface org.apache.mahout.utils.vectors.TermInfo

getARFFType(Integer) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getARFFType(Integer) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getCDbw() - Method in class org.apache.mahout.clustering.cdbw.CDbwEvaluator

Compute the CDbw validity metric (eqn 8).

getClusterIdToPoints() - Method in class org.apache.mahout.utils.clustering.ClusterDumper

getClusterLabels(Integer, Collection<WeightedVectorWritable>) - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

Get the list of labels, sorted by best score.

getDateFormat(Integer) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getDateFormat(Integer) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getDateMap() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

Map of Date formatters used

getDocFreq() - Method in class org.apache.mahout.utils.vectors.TermEntry

getIdField() - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

getIndicator() - Method in enum org.apache.mahout.utils.vectors.arff.ARFFType

getLabel(String) - Method in enum org.apache.mahout.utils.vectors.arff.ARFFType

getLabelBindings() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

The vector attributes (labels in Mahout speak)

getLabelBindings() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

The vector attributes (labels in Mahout speak), unmodifiable

getLabelIndex(String) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getLabelIndex(String) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getLabels() - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

getLabelSize() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getLabelSize() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getMessageCount() - Method in class org.apache.mahout.text.SequenceFilesFromMailArchives.PrefixAdditionFilter

getModel() - Method in class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

Returns info about the ARFF content that was parsed.

getNominalMap() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getNominalMap() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

Map nominals to ids.

getNominalValue(String, String) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getNominalValue(String, String) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getNumTopFeatures() - Method in class org.apache.mahout.utils.clustering.ClusterDumper

getOptions() - Method in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

getOutput() - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

getOutputFile() - Method in class org.apache.mahout.utils.clustering.ClusterDumper

getRelation() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getRelation() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

getRepresentativePoints(Configuration) - Static method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

getRepresentativePoints(Configuration, Path) - Static method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

getSubString() - Method in class org.apache.mahout.utils.clustering.ClusterDumper

getTerm() - Method in class org.apache.mahout.utils.vectors.TermEntry

getTermDictionary() - Method in class org.apache.mahout.utils.clustering.ClusterDumper

getTermEntry(String, String) - Method in class org.apache.mahout.utils.vectors.lucene.CachedTermInfo

getTermEntry(String, String) - Method in interface org.apache.mahout.utils.vectors.TermInfo

getTermIdx() - Method in class org.apache.mahout.utils.vectors.TermEntry

getTopFeatures(Vector, String[], int) - Static method in class org.apache.mahout.utils.clustering.ClusterDumper

getTypeMap() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

The map of types encountered

getValue(String, int) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getValue(String, int) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

Convert a piece of String data at a specific spot into a value

getVector() - Method in class org.apache.mahout.utils.vectors.lucene.TFDFMapper

getVector() - Method in class org.apache.mahout.utils.vectors.lucene.VectorMapper

Can be called after the TermVector has been mapped

getWordCount() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

The count of the number of words seen

getWordCount() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

The count of the number of words seen

getWords() - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

getWords() - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

Immutable map of words to the long id used for those words

getWriter() - Method in class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

getWriter() - Method in class org.apache.mahout.utils.vectors.io.TextualVectorWriter

I

increment() - Method in class org.apache.mahout.utils.Bump125

incrementalCreateBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

InMemoryFactorizationEvaluator - Class in org.apache.mahout.utils.eval

Measures the root-mean-squared error of a ratring matrix factorization against a test set.

InMemoryFactorizationEvaluator() - Constructor for class org.apache.mahout.utils.eval.InMemoryFactorizationEvaluator

InputDriver - Class in org.apache.mahout.clustering.conversion

This class converts text files containing space-delimited floating point numbers into Mahout sequence files of VectorWritable suitable for input to the clustering jobs in particular, and any Mahout job requiring this input in general.

InputDriver - Class in org.apache.mahout.clustering.conversion.meanshift

This class converts text files containing space-delimited floating point numbers into Mahout sequence files of MeanShiftCanopy suitable for input to the MeanShift clustering job.

InputMapper - Class in org.apache.mahout.clustering.conversion

InputMapper() - Constructor for class org.apache.mahout.clustering.conversion.InputMapper

InputMapper - Class in org.apache.mahout.clustering.conversion.meanshift

InputMapper() - Constructor for class org.apache.mahout.clustering.conversion.meanshift.InputMapper

interClusterDensity() - Method in class org.apache.mahout.clustering.cdbw.CDbwEvaluator

This function evaluates the average density of points in the regions between clusters (eqn 1).

interClusterDensity() - Method in class org.apache.mahout.clustering.evaluation.ClusterEvaluator

Computes the inter-cluster density as defined in "Mahout In Action"

intraClusterDensity() - Method in class org.apache.mahout.clustering.cdbw.CDbwEvaluator

The average density within clusters is defined as the percentage of representative points that reside in the neighborhood of the clusters' centers.

intraClusterDensity() - Method in class org.apache.mahout.clustering.evaluation.ClusterEvaluator

Computes the intra-cluster density as the average distance of the representative points from each other

isIgnoringOffsets() - Method in class org.apache.mahout.utils.vectors.lucene.TFDFMapper

isIgnoringPositions() - Method in class org.apache.mahout.utils.vectors.lucene.TFDFMapper

iterator() - Method in class org.apache.mahout.utils.vectors.arff.ARFFVectorIterable

iterator() - Method in class org.apache.mahout.utils.vectors.lucene.LuceneIterable

K

KEY_COLUMN_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromCsvFilter

KEY_PREFIX_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromDirectory

L

LDAPrintTopics - Class in org.apache.mahout.clustering.lda

Class to print out the top K words for each topic.

loadTermDictionary(File) - Static method in class org.apache.mahout.utils.vectors.VectorHelper

Read in a dictionary file.

loadTermDictionary(Configuration, String) - Static method in class org.apache.mahout.utils.vectors.VectorHelper

Read a dictionary in SequenceFile generated by DictionaryVectorizer

LuceneIterable - Class in org.apache.mahout.utils.vectors.lucene

Iterable counterpart to LuceneIterator.

LuceneIterable(IndexReader, String, String, VectorMapper) - Constructor for class org.apache.mahout.utils.vectors.lucene.LuceneIterable

LuceneIterable(IndexReader, String, String, VectorMapper, double) - Constructor for class org.apache.mahout.utils.vectors.lucene.LuceneIterable

LuceneIterable(IndexReader, String, String, VectorMapper, double, double) - Constructor for class org.apache.mahout.utils.vectors.lucene.LuceneIterable

Produce a LuceneIterable that can create the Vector plus normalize it.

LuceneIterator - Class in org.apache.mahout.utils.vectors.lucene

An Iterator over Vectors that uses a Lucene index as the source for creating the Vectors.

LuceneIterator(IndexReader, String, String, VectorMapper, double) - Constructor for class org.apache.mahout.utils.vectors.lucene.LuceneIterator

Produce a LuceneIterable that can create the Vector plus normalize it.

LuceneIterator(IndexReader, String, String, VectorMapper, double, double) - Constructor for class org.apache.mahout.utils.vectors.lucene.LuceneIterator

M

MailArchivesClusteringAnalyzer - Class in org.apache.mahout.text

Custom Lucene Analyzer designed for aggressive feature reduction for clustering the ASF Mail Archives using an extended set of stop words, excluding non-alpha-numeric tokens, and porter stemming.

MailArchivesClusteringAnalyzer() - Constructor for class org.apache.mahout.text.MailArchivesClusteringAnalyzer

MailArchivesClusteringAnalyzer(CharArraySet) - Constructor for class org.apache.mahout.text.MailArchivesClusteringAnalyzer

main(String[]) - Static method in class org.apache.mahout.benchmark.VectorBenchmarks

main(String[]) - Static method in class org.apache.mahout.clustering.conversion.InputDriver

main(String[]) - Static method in class org.apache.mahout.clustering.conversion.meanshift.InputDriver

main(String[]) - Static method in class org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

main(String[]) - Static method in class org.apache.mahout.clustering.lda.LDAPrintTopics

main(String[]) - Static method in class org.apache.mahout.text.SequenceFilesFromCsvFilter

main(String[]) - Static method in class org.apache.mahout.text.SequenceFilesFromDirectory

main(String[]) - Static method in class org.apache.mahout.text.SequenceFilesFromMailArchives

main(String[]) - Static method in class org.apache.mahout.text.TextParagraphSplittingJob

main(String[]) - Static method in class org.apache.mahout.utils.clustering.ClusterDumper

main(String[]) - Static method in class org.apache.mahout.utils.eval.DatasetSplitter

main(String[]) - Static method in class org.apache.mahout.utils.eval.InMemoryFactorizationEvaluator

main(String[]) - Static method in class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator

main(String[]) - Static method in class org.apache.mahout.utils.SequenceFileDumper

main(String[]) - Static method in class org.apache.mahout.utils.vectors.arff.Driver

main(String[]) - Static method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

main(String[]) - Static method in class org.apache.mahout.utils.vectors.lucene.Driver

main(String[]) - Static method in class org.apache.mahout.utils.vectors.RowIdJob

main(String[]) - Static method in class org.apache.mahout.utils.vectors.VectorDumper

map(LongWritable, Text, Mapper<LongWritable, Text, Text, VectorWritable>.Context) - Method in class org.apache.mahout.clustering.conversion.InputMapper

map(LongWritable, Text, Mapper<LongWritable, Text, Text, MeanShiftCanopy>.Context) - Method in class org.apache.mahout.clustering.conversion.meanshift.InputMapper

map(IntWritable, WeightedVectorWritable, Mapper<IntWritable, WeightedVectorWritable, IntWritable, WeightedVectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

map(Text, Text, Mapper<Text, Text, Text, Text>.Context) - Method in class org.apache.mahout.text.TextParagraphSplittingJob.SplitMap

map(LongWritable, Text, Mapper<LongWritable, Text, IntPairWritable, DoubleWritable>.Context) - Method in class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.PairsWithRatingMapper

map(String, int, TermVectorOffsetInfo[], int[]) - Method in class org.apache.mahout.utils.vectors.lucene.TFDFMapper

MapBackedARFFModel - Class in org.apache.mahout.utils.vectors.arff

Holds ARFF information in Map.

MapBackedARFFModel() - Constructor for class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

MapBackedARFFModel(Map<String, Long>, long, Map<String, Map<String, Integer>>) - Constructor for class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

mapPoint(IntWritable, WeightedVectorWritable, DistanceMeasure, Map<Integer, List<VectorWritable>>, Map<Integer, WeightedVectorWritable>) - Static method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

N

NO_NORMALIZING - Static variable in class org.apache.mahout.utils.vectors.lucene.LuceneIterable

NUM_WORDS_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

O

options - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

org.apache.mahout.benchmark - package org.apache.mahout.benchmark

org.apache.mahout.clustering.cdbw - package org.apache.mahout.clustering.cdbw

org.apache.mahout.clustering.conversion - package org.apache.mahout.clustering.conversion

org.apache.mahout.clustering.conversion.meanshift - package org.apache.mahout.clustering.conversion.meanshift

org.apache.mahout.clustering.evaluation - package org.apache.mahout.clustering.evaluation

org.apache.mahout.clustering.lda - package org.apache.mahout.clustering.lda

org.apache.mahout.text - package org.apache.mahout.text

org.apache.mahout.utils - package org.apache.mahout.utils

org.apache.mahout.utils.clustering - package org.apache.mahout.utils.clustering

org.apache.mahout.utils.eval - package org.apache.mahout.utils.eval

org.apache.mahout.utils.vectors - package org.apache.mahout.utils.vectors

org.apache.mahout.utils.vectors.arff - package org.apache.mahout.utils.vectors.arff

org.apache.mahout.utils.vectors.csv - package org.apache.mahout.utils.vectors.csv

org.apache.mahout.utils.vectors.io - package org.apache.mahout.utils.vectors.io

org.apache.mahout.utils.vectors.lucene - package org.apache.mahout.utils.vectors.lucene

OUTPUT_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

P

ParallelFactorizationEvaluator - Class in org.apache.mahout.utils.eval

Measures the root-mean-squared error of a ratring matrix factorization against a test set.

ParallelFactorizationEvaluator() - Constructor for class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator

ParallelFactorizationEvaluator.ErrorReducer - Class in org.apache.mahout.utils.eval

ParallelFactorizationEvaluator.ErrorReducer() - Constructor for class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.ErrorReducer

ParallelFactorizationEvaluator.PairsWithRatingMapper - Class in org.apache.mahout.utils.eval

ParallelFactorizationEvaluator.PairsWithRatingMapper() - Constructor for class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.PairsWithRatingMapper

parseOptions() - Method in class org.apache.mahout.text.SequenceFilesFromCsvFilter

parseOptions() - Method in class org.apache.mahout.text.SequenceFilesFromDirectory

Override this method in order to parse your additional options from the command line.

POINTS_DIR_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

prefix - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

PrefixAdditionFilter - Class in org.apache.mahout.text

Default parser for parsing text into sequence files.

PrefixAdditionFilter(Configuration, String, Map<String, String>, ChunkedWriter) - Constructor for class org.apache.mahout.text.PrefixAdditionFilter

printClusters(String[]) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

process(FileStatus, Path) - Method in class org.apache.mahout.text.PrefixAdditionFilter

process(FileStatus, Path) - Method in class org.apache.mahout.text.SequenceFilesFromCsvFilter

process(FileStatus, Path) - Method in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

processDate(String, int) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

processNominal(String, String) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

processNumeric(String) - Static method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

processString(String) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

R

readPoints(Path, Configuration) - Static method in class org.apache.mahout.utils.clustering.ClusterDumper

reduce(IntWritable, Iterable<WeightedVectorWritable>, Reducer<IntWritable, WeightedVectorWritable, IntWritable, VectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

reduce(IntPairWritable, Iterable<DoubleWritable>, Reducer<IntPairWritable, DoubleWritable, DoubleWritable, NullWritable>.Context) - Method in class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator.ErrorReducer

RELATION - Static variable in interface org.apache.mahout.utils.vectors.arff.ARFFModel

RepresentativePointsDriver - Class in org.apache.mahout.clustering.evaluation

RepresentativePointsMapper - Class in org.apache.mahout.clustering.evaluation

RepresentativePointsMapper() - Constructor for class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

RepresentativePointsReducer - Class in org.apache.mahout.clustering.evaluation

RepresentativePointsReducer() - Constructor for class org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

RowIdJob - Class in org.apache.mahout.utils.vectors

RowIdJob() - Constructor for class org.apache.mahout.utils.vectors.RowIdJob

run(String[]) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

run(Configuration, Path, Path, Path, DistanceMeasure, int, boolean) - Static method in class org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

run(Configuration, String, Map<String, String>, Path, Path) - Method in class org.apache.mahout.text.SequenceFilesFromDirectory

run(String[]) - Method in class org.apache.mahout.text.SequenceFilesFromDirectory

run(String[]) - Method in class org.apache.mahout.text.TextParagraphSplittingJob

run(String[]) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

run(String[]) - Method in class org.apache.mahout.utils.eval.DatasetSplitter

run(String[]) - Method in class org.apache.mahout.utils.eval.InMemoryFactorizationEvaluator

run(String[]) - Method in class org.apache.mahout.utils.eval.ParallelFactorizationEvaluator

run(String[]) - Method in class org.apache.mahout.utils.vectors.RowIdJob

runJob(Path, Path, String) - Static method in class org.apache.mahout.clustering.conversion.InputDriver

runJob(Path, Path) - Static method in class org.apache.mahout.clustering.conversion.meanshift.InputDriver

S

separation() - Method in class org.apache.mahout.clustering.cdbw.CDbwEvaluator

Calculate the separation of clusters (eqn 4) taking into account both the distances between the clusters' closest points and the Inter-cluster density.

SEQ_FILE_DIR_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

SequenceFileDumper - Class in org.apache.mahout.utils

SequenceFilesFromCsvFilter - Class in org.apache.mahout.text

Implements an example csv to sequence file parser.

SequenceFilesFromCsvFilter(Configuration, String, Map<String, String>, ChunkedWriter) - Constructor for class org.apache.mahout.text.SequenceFilesFromCsvFilter

SequenceFilesFromDirectory - Class in org.apache.mahout.text

Converts a directory of text documents into SequenceFiles of Specified chunkSize.

SequenceFilesFromDirectory() - Constructor for class org.apache.mahout.text.SequenceFilesFromDirectory

SequenceFilesFromDirectoryFilter - Class in org.apache.mahout.text

Implement this interface if you wish to extend SequenceFilesFromDirectory with your own parsing logic.

SequenceFilesFromDirectoryFilter() - Constructor for class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

SequenceFilesFromDirectoryFilter(Configuration, String, Map<String, String>, ChunkedWriter) - Constructor for class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

SequenceFilesFromMailArchives - Class in org.apache.mahout.text

Converts a directory of gzipped mail archives into SequenceFiles of specified chunkSize.

SequenceFilesFromMailArchives() - Constructor for class org.apache.mahout.text.SequenceFilesFromMailArchives

SequenceFilesFromMailArchives.ChunkedWriter - Class in org.apache.mahout.text

SequenceFilesFromMailArchives.ChunkedWriter(int, String) - Constructor for class org.apache.mahout.text.SequenceFilesFromMailArchives.ChunkedWriter

SequenceFilesFromMailArchives.PrefixAdditionFilter - Class in org.apache.mahout.text

SequenceFilesFromMailArchives.PrefixAdditionFilter(String, SequenceFilesFromMailArchives.ChunkedWriter, Charset) - Constructor for class org.apache.mahout.text.SequenceFilesFromMailArchives.PrefixAdditionFilter

SequenceFileVectorWriter - Class in org.apache.mahout.utils.vectors.io

Writes out Vectors to a SequenceFile.

SequenceFileVectorWriter(SequenceFile.Writer) - Constructor for class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

serializeBenchmark() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

setExpectations(String, int, boolean, boolean) - Method in class org.apache.mahout.utils.vectors.lucene.TFDFMapper

setIdField(String) - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

setNumTopFeatures(int) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

setOutput(String) - Method in class org.apache.mahout.utils.vectors.lucene.ClusterLabels

setOutputFile(String) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

setRelation(String) - Method in interface org.apache.mahout.utils.vectors.arff.ARFFModel

setRelation(String) - Method in class org.apache.mahout.utils.vectors.arff.MapBackedARFFModel

setSubString(int) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

setTermDictionary(String, String) - Method in class org.apache.mahout.utils.clustering.ClusterDumper

setup(Mapper<LongWritable, Text, Text, VectorWritable>.Context) - Method in class org.apache.mahout.clustering.conversion.InputMapper

setup(Mapper<IntWritable, WeightedVectorWritable, IntWritable, WeightedVectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsMapper

setup(Reducer<IntWritable, WeightedVectorWritable, IntWritable, VectorWritable>.Context) - Method in class org.apache.mahout.clustering.evaluation.RepresentativePointsReducer

STATE_IN_KEY - Static variable in class org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

SUBSTRING_OPTION - Static variable in class org.apache.mahout.utils.clustering.ClusterDumper

T

TermEntry - Class in org.apache.mahout.utils.vectors

TermEntry(String, int, int) - Constructor for class org.apache.mahout.utils.vectors.TermEntry

TermInfo - Interface in org.apache.mahout.utils.vectors

TermInfoWriter - Interface in org.apache.mahout.utils.vectors.io

TextParagraphSplittingJob - Class in org.apache.mahout.text

TextParagraphSplittingJob() - Constructor for class org.apache.mahout.text.TextParagraphSplittingJob

TextParagraphSplittingJob.SplitMap - Class in org.apache.mahout.text

TextParagraphSplittingJob.SplitMap() - Constructor for class org.apache.mahout.text.TextParagraphSplittingJob.SplitMap

TextualVectorWriter - Class in org.apache.mahout.utils.vectors.io

Write out the vectors to any Writer using Vector.asFormatString(), one per line by default.

TextualVectorWriter(Writer) - Constructor for class org.apache.mahout.utils.vectors.io.TextualVectorWriter

TFDFMapper - Class in org.apache.mahout.utils.vectors.lucene

Not thread-safe

TFDFMapper(IndexReader, Weight, TermInfo) - Constructor for class org.apache.mahout.utils.vectors.lucene.TFDFMapper

tokenStream(String, Reader) - Method in class org.apache.mahout.text.MailArchivesClusteringAnalyzer

toString() - Method in class org.apache.mahout.benchmark.VectorBenchmarks

totalTerms(String) - Method in class org.apache.mahout.utils.vectors.lucene.CachedTermInfo

totalTerms(String) - Method in interface org.apache.mahout.utils.vectors.TermInfo

V

VALUE_COLUMN_OPTION - Static variable in class org.apache.mahout.text.SequenceFilesFromCsvFilter

valueOf(String) - Static method in enum org.apache.mahout.utils.vectors.arff.ARFFType

Returns the enum constant of this type with the specified name.

values() - Static method in enum org.apache.mahout.utils.vectors.arff.ARFFType

Returns an array containing the constants of this enum type, in the order they are declared.

VectorBenchmarks - Class in org.apache.mahout.benchmark

VectorBenchmarks(int, int, int, int, int, int) - Constructor for class org.apache.mahout.benchmark.VectorBenchmarks

VectorDumper - Class in org.apache.mahout.utils.vectors

Can read in a SequenceFile of Vectors and dump out the results using Vector.asFormatString() to either the console or to a file.

VectorHelper - Class in org.apache.mahout.utils.vectors

VectorMapper - Class in org.apache.mahout.utils.vectors.lucene

Not thread-safe

VectorMapper() - Constructor for class org.apache.mahout.utils.vectors.lucene.VectorMapper

vectorToCSVString(Vector, boolean) - Static method in class org.apache.mahout.utils.vectors.VectorHelper

vectorToCSVString(Vector, boolean, Appendable) - Static method in class org.apache.mahout.utils.vectors.VectorHelper

VectorWriter - Interface in org.apache.mahout.utils.vectors.io

W

write(String, String) - Method in class org.apache.mahout.text.ChunkedWriter

write(String, String) - Method in class org.apache.mahout.text.SequenceFilesFromMailArchives.ChunkedWriter

write(TermInfo) - Method in class org.apache.mahout.utils.vectors.io.DelimitedTermInfoWriter

write(Iterable<Vector>, long) - Method in class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

write(Vector) - Method in class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

write(Iterable<Vector>) - Method in class org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter

write(TermInfo) - Method in interface org.apache.mahout.utils.vectors.io.TermInfoWriter

write(Iterable<Vector>) - Method in class org.apache.mahout.utils.vectors.io.TextualVectorWriter

write(Iterable<Vector>, long) - Method in class org.apache.mahout.utils.vectors.io.TextualVectorWriter

write(Vector) - Method in class org.apache.mahout.utils.vectors.io.TextualVectorWriter

write(Iterable<Vector>) - Method in interface org.apache.mahout.utils.vectors.io.VectorWriter

Write all values in the Iterable to the output

write(Vector) - Method in interface org.apache.mahout.utils.vectors.io.VectorWriter

Write out a vector

write(Iterable<Vector>, long) - Method in interface org.apache.mahout.utils.vectors.io.VectorWriter

Write the first maxDocs to the output.

writer - Variable in class org.apache.mahout.text.SequenceFilesFromDirectoryFilter

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