at.tuwien.ifs.somtoolbox.data.normalisation

Class UnitLengthNormaliser

java.lang.Object

at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData

at.tuwien.ifs.somtoolbox.data.SOMLibSparseInputData

at.tuwien.ifs.somtoolbox.data.normalisation.AbstractNormaliser

at.tuwien.ifs.somtoolbox.data.normalisation.UnitLengthNormaliser

All Implemented Interfaces:

InputData

public class UnitLengthNormaliser
extends AbstractNormaliser

Unit length normalisation, normalises the length of the instance to 1.

Version:

$Id: UnitLengthNormaliser.java 3358 2010-02-11 14:35:07Z mayer $

Author:

Rudolf Mayer

Field Summary

Fields inherited from class at.tuwien.ifs.somtoolbox.data.normalisation.AbstractNormaliser

writer

Fields inherited from class at.tuwien.ifs.somtoolbox.data.SOMLibSparseInputData

data, DEFAULT_NORMALISED, DEFAULT_NUM_CACHE_BLOCKS, DEFAULT_RANDOM_SEED, DEFAULT_SPARSE, INPUT_VECTOR_FILE_FORMAT_CORRUPT_MESSAGE, nonZeros, sparse

Fields inherited from class at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData

classInfo, contentType, dataNames, dim, ERROR_MESSAGE_FILE_FORMAT_CORRUPT, featureMatrixCols, featureMatrixRows, isNormalized, meanVector, mqe0, nameCache, numVectors, rand, source, templateVector

Fields inherited from interface at.tuwien.ifs.somtoolbox.data.InputData

inputFileNameSuffix, MISSING_VALUE

Constructor Summary

Constructors

Constructor and Description
UnitLengthNormaliser()

Method Summary

Modifier and Type	Method and Description
void	postReading()
void	preReading()
protected void	processLine(int index, java.lang.String[] lineElements) Process a single line of the input vector file.

Methods inherited from class at.tuwien.ifs.somtoolbox.data.normalisation.AbstractNormaliser

normalise

Methods inherited from class at.tuwien.ifs.somtoolbox.data.SOMLibSparseInputData

addInstance, getDataAsMatrix, getDimensionality, getInputDatum, getInputVector, getValue, init, initDataStructures, initMatrix, main, mqe0, openFile, parse, parseDouble, readVectorFile, setLabel, setMatrixValue, setValue, subset

Methods inherited from class at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData

classInformation, create, dim, equals, getByNameDistanceSorted, getContentType, getData, getData, getDataIntervals, getDataSource, getDistanceMatrix, getDistances, getFeatureDensities, getFeatureMatrixColumns, getFeatureMatrixRows, getFileNameSuffix, getFormatName, getInputDatum, getInputDatum, getInputDatumIndex, getLabel, getLabels, getMaxValue, getMeanVector, getMeanVector, getMinValue, getNearestDistances, getNearestN, getNearestN, getNearestNUnsorted, getRandomInputDatum, initDistanceMatrix, isNormalizedToUnitLength, numVectors, setClassInfo, setTemplateVector, templateVector, transformValues

Methods inherited from class java.lang.Object

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

Constructor Detail

UnitLengthNormaliser

public UnitLengthNormaliser()

Method Detail

processLine

protected void processLine(int index,
                           java.lang.String[] lineElements)
                    throws java.lang.Exception

Description copied from class: SOMLibSparseInputData

Process a single line of the input vector file.

Overrides:

processLine in class SOMLibSparseInputData

Parameters:

index - the line index

lineElements - the line elements, split by the delimeters

Throws:

java.lang.Exception

preReading

public void preReading()

Specified by:

preReading in class AbstractNormaliser

postReading

public void postReading()

Specified by:

postReading in class AbstractNormaliser