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

java.lang.Object
  extended by at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData
      extended by at.tuwien.ifs.somtoolbox.data.SOMLibSparseInputData
          extended by at.tuwien.ifs.somtoolbox.data.normalisation.AbstractNormaliser
              extended by 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, content_subtype, content_type, 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
UnitLengthNormaliser()
           
 
Method Summary
 void postReading()
           
 void preReading()
           
protected  void processLine(int index, 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, getDimensionality, getInputDatum, getInputVector, getValue, init, initDataStructures, initMatrix, main, mqe0, openFile, parseDouble, readVectorFile, setLabel, setMatrixValue, subset
 
Methods inherited from class at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData
classInformation, create, dim, equals, getByNameDistanceSorted, getContentSubType, getContentType, getData, getData, getDataIntervals, getDataSource, getDistanceMatrix, getDistances, getFeatureDensities, getFeatureMatrixColumns, getFeatureMatrixRows, getFileNameSuffix, getFormatName, getInputDatum, getInputDatum, getInputDatumIndex, getLabel, getLabels, getMeanVector, getMeanVector, 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,
                           String[] lineElements)
                    throws 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:
Exception

preReading

public void preReading()
Specified by:
preReading in class AbstractNormaliser

postReading

public void postReading()
Specified by:
postReading in class AbstractNormaliser