at.tuwien.ifs.somtoolbox.data

Class ARFFFormatInputData

java.lang.Object

at.tuwien.ifs.somtoolbox.data.AbstractSOMLibSparseInputData

at.tuwien.ifs.somtoolbox.data.SOMLibSparseInputData

at.tuwien.ifs.somtoolbox.data.ARFFFormatInputData

All Implemented Interfaces:

InputData

Direct Known Subclasses:

MarsyasARFFInputData

public class ARFFFormatInputData
extends SOMLibSparseInputData

Reads input data from a WEKA ARFF File Format.

Version:

$Id: ARFFFormatInputData.java 4366 2016-12-07 16:47:50Z mayer $

Author:

Rudolf Mayer

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	ATTRIBUTE
static java.lang.String	DATA
static java.lang.String	INTEGER_TYPE
private static char	NULLCHAR
static java.lang.String	NUMERIC_TYPE
static java.lang.String	REAL_TYPE
static java.lang.String	RELATION
static java.lang.String	STRING_TYPE

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
ARFFFormatInputData(java.lang.String arffFileName)
ARFFFormatInputData(java.lang.String arffFileName, boolean sparse, boolean norm, int numCacheBlocks, long seed)

Method Summary

Modifier and Type	Method and Description
protected java.lang.String	getClassAttributeName()
static java.lang.String	getFileNameSuffix()
static java.lang.String	getFormatName()
protected void	readVectorFile(java.lang.String arffFileName, boolean sparse) Reads the input data from the given file, which has to follow the Input Vector File specification.

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

addInstance, getDataAsMatrix, getDimensionality, getInputDatum, getInputVector, getValue, init, initDataStructures, initMatrix, main, mqe0, openFile, parse, parseDouble, processLine, 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, 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

Field Detail

RELATION

public static final java.lang.String RELATION

See Also:

Constant Field Values

ATTRIBUTE

public static final java.lang.String ATTRIBUTE

See Also:

Constant Field Values

DATA

public static final java.lang.String DATA

See Also:

Constant Field Values

INTEGER_TYPE

public static final java.lang.String INTEGER_TYPE

See Also:

Constant Field Values

NUMERIC_TYPE

public static final java.lang.String NUMERIC_TYPE

See Also:

Constant Field Values

REAL_TYPE

public static final java.lang.String REAL_TYPE

See Also:

Constant Field Values

STRING_TYPE

public static final java.lang.String STRING_TYPE

See Also:

Constant Field Values

NULLCHAR

private static final char NULLCHAR

See Also:

Constant Field Values

Constructor Detail

ARFFFormatInputData

public ARFFFormatInputData(java.lang.String arffFileName)

ARFFFormatInputData

public ARFFFormatInputData(java.lang.String arffFileName,
                           boolean sparse,
                           boolean norm,
                           int numCacheBlocks,
                           long seed)

Method Detail

readVectorFile

protected void readVectorFile(java.lang.String arffFileName,
                              boolean sparse)

Description copied from class: SOMLibSparseInputData

Reads the input data from the given file, which has to follow the Input Vector File specification. Additionally calculates the AbstractSOMLibSparseInputData.meanVector and creates the AbstractSOMLibSparseInputData.nameCache for faster index search.

Overrides:

readVectorFile in class SOMLibSparseInputData

Parameters:

arffFileName - the name of the input vector file.

getClassAttributeName

protected java.lang.String getClassAttributeName()

getFormatName

public static java.lang.String getFormatName()

getFileNameSuffix

public static java.lang.String getFileNameSuffix()