org.dkpro.tc.ml.vowpalwabbit.writer

Class VowpalWabbitDataWriter

java.lang.Object

org.dkpro.tc.ml.vowpalwabbit.writer.VowpalWabbitDataWriter

All Implemented Interfaces:

DataWriter

public class VowpalWabbitDataWriter
extends Object
implements DataWriter

Field Summary

Fields

Modifier and Type	Field and Description
static String	INDEX2INSTANCEID
static String	OUTCOME_MAPPING
static String	STRING_MAPPING

Constructor Summary

Constructors

Constructor and Description
VowpalWabbitDataWriter()

Method Summary

Modifier and Type	Method and Description
boolean	canStream()
void	close()
String	getGenericFileName()
protected Integer	getStartIndexForOutcomeMap()
void	init(File outputDirectory, boolean useSparse, String learningMode, String featureMode, boolean applyWeighting, String[] outcomes)
void	transformFromGeneric()
void	writeClassifierFormat(List<Instance> instances)
void	writeGenericFormat(List<Instance> instances)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

OUTCOME_MAPPING

public static final String OUTCOME_MAPPING

See Also:

Constant Field Values

STRING_MAPPING

public static final String STRING_MAPPING

See Also:

Constant Field Values

INDEX2INSTANCEID

public static final String INDEX2INSTANCEID

See Also:

Constant Field Values

Constructor Detail

VowpalWabbitDataWriter

public VowpalWabbitDataWriter()

Method Detail

writeGenericFormat

public void writeGenericFormat(List<Instance> instances)
                        throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

Specified by:

writeGenericFormat in interface DataWriter

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException

transformFromGeneric

public void transformFromGeneric()
                          throws Exception

Specified by:

transformFromGeneric in interface DataWriter

Throws:

Exception

writeClassifierFormat

public void writeClassifierFormat(List<Instance> instances)
                           throws org.apache.uima.analysis_engine.AnalysisEngineProcessException

Specified by:

writeClassifierFormat in interface DataWriter

Throws:

org.apache.uima.analysis_engine.AnalysisEngineProcessException

getStartIndexForOutcomeMap

protected Integer getStartIndexForOutcomeMap()

init

public void init(File outputDirectory,
                 boolean useSparse,
                 String learningMode,
                 String featureMode,
                 boolean applyWeighting,
                 String[] outcomes)
          throws Exception

Specified by:

init in interface DataWriter

Throws:

Exception

canStream

public boolean canStream()

Specified by:

canStream in interface DataWriter

getGenericFileName

public String getGenericFileName()

Specified by:

getGenericFileName in interface DataWriter

close

public void close()
           throws Exception

Specified by:

close in interface DataWriter

Throws:

Exception