org.apache.ctakes.ytex.svmlight

Class SVMLightFormatterFactory.SVMLightFormatter

java.lang.Object

org.apache.ctakes.ytex.kernel.BaseSparseDataFormatter

org.apache.ctakes.ytex.libsvm.LibSVMFormatterFactory.LibSVMFormatter

org.apache.ctakes.ytex.svmlight.SVMLightFormatterFactory.SVMLightFormatter

All Implemented Interfaces:

SparseDataFormatter

Direct Known Subclasses:

SemiLFormatterFactory.SemiLDataFormatter

Enclosing class:

SVMLightFormatterFactory

public static class SVMLightFormatterFactory.SVMLightFormatter
extends LibSVMFormatterFactory.LibSVMFormatter

Field Summary

Fields

Modifier and Type	Field and Description
protected SortedMap<Boolean,SortedMap<Long,String>>	foldInstanceLabelMap

Fields inherited from class org.apache.ctakes.ytex.kernel.BaseSparseDataFormatter

exportProperties, kernelUtil, labelToClassIndexMap, maxAttributeIndex, nominalAttributeMap, numericAttributeMap, outdir

Fields inherited from interface org.apache.ctakes.ytex.kernel.SparseDataFormatter

ATTR_INSTANCE_ID, SCOPE, SCOPE_FOLD, SCOPE_LABEL

Constructor Summary

Constructors

Constructor and Description
SVMLightFormatter(KernelUtil kernelUtil)

Method Summary

Modifier and Type	Method and Description
void	clearFold() clean up fold specific state
void	exportFold(SparseData sparseData, SortedMap<Long,String> instanceClassMap, boolean train, String label, Integer run, Integer fold) export the given train/test set
protected List<Long>	exportTransductiveData(String filename, String idFilename, SparseData bagOfWordsData, SortedMap<Long,String> trainClassMap, Set<Long> testInstances, com.google.common.collect.BiMap<String,Integer> classToIndexMap) Export data file and id file
protected void	fillLabelToClassIndexMap(Map<String,SortedSet<String>> labelToClassMap)
void	initializeExport(InstanceData instanceLabel, Properties properties, SparseData sparseData) add the "0" class for transductive learning
void	initializeFold(SparseData sparseData, String label, Integer run, Integer fold, SortedMap<Boolean,SortedMap<Long,String>> foldInstanceLabelMap) write a file with the attribute names corresponding to the indices in the libsvm data file

Methods inherited from class org.apache.ctakes.ytex.libsvm.LibSVMFormatterFactory.LibSVMFormatter

clearLabel, exportDataForInstances, exportDataForLabel, initializeLabel, writeLibsvmLine

Methods inherited from class org.apache.ctakes.ytex.kernel.BaseSparseDataFormatter

addNumericAttribute, exportAttributeNames, exportAttributeNames, exportSparseMatrix, exportSparseRow, getSparseLineValues, updateLabelClassMapTransductive

Methods inherited from class java.lang.Object

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

Field Detail

foldInstanceLabelMap

protected SortedMap<Boolean,SortedMap<Long,String>> foldInstanceLabelMap

Constructor Detail

SVMLightFormatter

public SVMLightFormatter(KernelUtil kernelUtil)

Method Detail

exportFold

public void exportFold(SparseData sparseData,
                       SortedMap<Long,String> instanceClassMap,
                       boolean train,
                       String label,
                       Integer run,
                       Integer fold)
                throws IOException

export the given train/test set

Specified by:

exportFold in interface SparseDataFormatter

Overrides:

exportFold in class LibSVMFormatterFactory.LibSVMFormatter

Throws:

IOException

exportTransductiveData

protected List<Long> exportTransductiveData(String filename,
                                            String idFilename,
                                            SparseData bagOfWordsData,
                                            SortedMap<Long,String> trainClassMap,
                                            Set<Long> testInstances,
                                            com.google.common.collect.BiMap<String,Integer> classToIndexMap)
                                     throws IOException

Export data file and id file

Parameters:

filename -

idFilename -

bagOfWordsData -

instanceClassMap -

numericAttributeMap -

nominalAttributeMap -

label -

Returns:

instance ids in order they are in the output file

Throws:

IOException

initializeExport

public void initializeExport(InstanceData instanceLabel,
                             Properties properties,
                             SparseData sparseData)
                      throws IOException

add the "0" class for transductive learning

Specified by:

initializeExport in interface SparseDataFormatter

Overrides:

initializeExport in class LibSVMFormatterFactory.LibSVMFormatter

Throws:

IOException

fillLabelToClassIndexMap

protected void fillLabelToClassIndexMap(Map<String,SortedSet<String>> labelToClassMap)

clearFold

public void clearFold()

clean up fold specific state

Specified by:

clearFold in interface SparseDataFormatter

Overrides:

clearFold in class LibSVMFormatterFactory.LibSVMFormatter

initializeFold

public void initializeFold(SparseData sparseData,
                           String label,
                           Integer run,
                           Integer fold,
                           SortedMap<Boolean,SortedMap<Long,String>> foldInstanceLabelMap)
                    throws IOException

Description copied from class: LibSVMFormatterFactory.LibSVMFormatter

write a file with the attribute names corresponding to the indices in the libsvm data file

Specified by:

initializeFold in interface SparseDataFormatter

Overrides:

initializeFold in class LibSVMFormatterFactory.LibSVMFormatter

Throws:

IOException