org.apache.mahout.clustering.evaluation

Class RepresentativePointsDriver

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.mahout.common.AbstractJob

org.apache.mahout.clustering.evaluation.RepresentativePointsDriver

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public final class RepresentativePointsDriver
extends AbstractJob

Field Summary

Fields

Modifier and Type	Field and Description
static String	DISTANCE_MEASURE_KEY
static String	STATE_IN_KEY

Fields inherited from class org.apache.mahout.common.AbstractJob

argMap, inputFile, inputPath, outputFile, outputPath, tempPath

Method Summary

Methods

Modifier and Type	Method and Description
static void	main(String[] args)
static void	printRepresentativePoints(org.apache.hadoop.fs.Path output, int numIterations) Utility to print out representative points
static void	run(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path clustersIn, org.apache.hadoop.fs.Path clusteredPointsIn, org.apache.hadoop.fs.Path output, DistanceMeasure measure, int numIterations, boolean runSequential)
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

STATE_IN_KEY

public static final String STATE_IN_KEY

See Also:

Constant Field Values

DISTANCE_MEASURE_KEY

public static final String DISTANCE_MEASURE_KEY

See Also:

Constant Field Values

Method Detail

main

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

Throws:

Exception

run

public int run(String[] args)
        throws ClassNotFoundException,
               IOException,
               InterruptedException

Throws:

ClassNotFoundException

IOException

InterruptedException

printRepresentativePoints

public static void printRepresentativePoints(org.apache.hadoop.fs.Path output,
                             int numIterations)

Utility to print out representative points

Parameters:

output - the Path to the directory containing representativePoints-i folders

numIterations - the int number of iterations to print

Throws:

IOException - if errors occur

run

public static void run(org.apache.hadoop.conf.Configuration conf,
       org.apache.hadoop.fs.Path clustersIn,
       org.apache.hadoop.fs.Path clusteredPointsIn,
       org.apache.hadoop.fs.Path output,
       DistanceMeasure measure,
       int numIterations,
       boolean runSequential)
                throws IOException,
                       InterruptedException,
                       ClassNotFoundException

Throws:

IOException

InterruptedException

ClassNotFoundException