org.apache.mahout.math.hadoop.similarity.cooccurrence
Class RowSimilarityJob

java.lang.Object
  extended by org.apache.hadoop.conf.Configured
      extended by org.apache.mahout.common.AbstractJob
          extended by org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJob
All Implemented Interfaces:
org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class RowSimilarityJob
extends AbstractJob


Nested Class Summary
static class RowSimilarityJob.CooccurrencesMapper
           
static class RowSimilarityJob.CountObservationsMapper
           
static class RowSimilarityJob.MergeToTopKSimilaritiesReducer
           
static class RowSimilarityJob.MergeVectorsReducer
           
static class RowSimilarityJob.SimilarityReducer
           
static class RowSimilarityJob.SumObservationsReducer
           
static class RowSimilarityJob.UnsymmetrifyMapper
           
static class RowSimilarityJob.VectorNormMapper
           
 
Field Summary
static long NO_FIXED_RANDOM_SEED
           
static double NO_THRESHOLD
           
 
Fields inherited from class org.apache.mahout.common.AbstractJob
argMap, inputFile, inputPath, outputFile, outputPath, tempPath
 
Constructor Summary
RowSimilarityJob()
           
 
Method Summary
static void main(String[] args)
           
 int run(String[] args)
           
 
Methods inherited from class org.apache.mahout.common.AbstractJob
addFlag, addInputOption, addOption, addOption, addOption, addOption, addOutputOption, buildOption, buildOption, getAnalyzerClassFromOption, getCLIOption, getConf, getDimensions, getFloat, getFloat, getGroup, getInputFile, getInputPath, getInt, getInt, getOption, getOption, getOption, getOptions, getOutputFile, getOutputPath, getOutputPath, getTempPath, getTempPath, hasOption, keyFor, maybePut, parseArguments, parseArguments, parseDirectories, prepareJob, prepareJob, prepareJob, prepareJob, setConf, setS3SafeCombinedInputPath, shouldRunNextPhase
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

NO_THRESHOLD

public static final double NO_THRESHOLD
See Also:
Constant Field Values

NO_FIXED_RANDOM_SEED

public static final long NO_FIXED_RANDOM_SEED
See Also:
Constant Field Values
Constructor Detail

RowSimilarityJob

public RowSimilarityJob()
Method Detail

main

public static void main(String[] args)
                 throws Exception
Throws:
Exception

run

public int run(String[] args)
        throws Exception
Throws:
Exception


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