org.apache.mahout.classifier
Class ConfusionMatrixDumper
java.lang.Object
org.apache.hadoop.conf.Configured
org.apache.mahout.common.AbstractJob
org.apache.mahout.classifier.ConfusionMatrixDumper
- All Implemented Interfaces:
- org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool
public final class ConfusionMatrixDumper
- extends AbstractJob
Export a ConfusionMatrix in various text formats:
ToString version
Grayscale HTML table
Summary HTML table
Table of counts
all with optional HTML wrappers
Input format: Hadoop SequenceFile with Text key and MatrixWritable value, 1 pair
Intended to consume ConfusionMatrix SequenceFile output by Bayes
TestClassifier class
Methods inherited from class org.apache.mahout.common.AbstractJob |
addFlag, addInputOption, addOption, addOption, addOption, addOption, addOutputOption, buildOption, getAnalyzerClassFromOption, getCLIOption, getCombinedTempPath, getGroup, getInputPath, getOption, getOption, getOutputPath, getOutputPath, getTempPath, getTempPath, hasOption, keyFor, maybePut, parseArguments, parseDirectories, prepareJob, prepareJob, prepareJob, setS3SafeCombinedInputPath, shouldRunNextPhase |
Methods inherited from class org.apache.hadoop.conf.Configured |
getConf, setConf |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.conf.Configurable |
getConf, setConf |
main
public static void main(String[] args)
throws Exception
- Throws:
Exception
run
public int run(String[] args)
throws IOException
- Throws:
IOException
printSummaryTable
public static void printSummaryTable(ConfusionMatrix cm,
PrintStream out)
printGrayTable
public static void printGrayTable(ConfusionMatrix cm,
PrintStream out)
printCountsTable
public static void printCountsTable(ConfusionMatrix cm,
PrintStream out)
printHeader
public static void printHeader(PrintStream out,
CharSequence title)
printFooter
public static void printFooter(PrintStream out)
Copyright © 2008-2012 The Apache Software Foundation. All Rights Reserved.