moa.core

Class InstancesHeader

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<weka.core.Instance>

weka.core.Instances

moa.core.InstancesHeader

All Implemented Interfaces:

Serializable, Iterable<weka.core.Instance>, Collection<weka.core.Instance>, List<weka.core.Instance>, weka.core.RevisionHandler

Direct Known Subclasses:

MultilabelInstancesHeader

public class InstancesHeader
extends weka.core.Instances

Class for storing the header or context of a data stream. It allows to know the number of attributes and classes.

Version:

$Revision: 7 $

Author:

Richard Kirkby (rkirkby@cs.waikato.ac.nz)

See Also:

Serialized Form

Field Summary

Fields inherited from class weka.core.Instances

ARFF_DATA, ARFF_RELATION, FILE_EXTENSION, m_Attributes, m_ClassIndex, m_Instances, m_Lines, m_RelationName, SERIALIZED_OBJ_FILE_EXTENSION

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
InstancesHeader(weka.core.Instances i)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(weka.core.Instance i)
static String	getAttributeNameString(InstancesHeader context, int attIndex)
static String	getClassLabelString(InstancesHeader context, int classLabelIndex)
static String	getClassNameString(InstancesHeader context)
static String	getNominalValueString(InstancesHeader context, int attIndex, int valIndex)
static String	getNumericValueString(InstancesHeader context, int attIndex, double value)
boolean	readInstance(Reader r)

Methods inherited from class weka.core.Instances

add, attribute, attribute, attributeStats, attributeToDoubleArray, checkForAttributeType, checkForStringAttributes, checkInstance, classAttribute, classIndex, compactify, copyInstances, delete, delete, deleteAttributeAt, deleteAttributeType, deleteStringAttributes, deleteWithMissing, deleteWithMissing, deleteWithMissingClass, enumerateAttributes, enumerateInstances, equalHeaders, equalHeadersMsg, firstInstance, freshAttributeInfo, get, getRandomNumberGenerator, getRevision, initialize, insertAttributeAt, instance, instancesAndWeights, kthSmallestValue, kthSmallestValue, lastInstance, main, meanOrMode, meanOrMode, mergeInstances, numAttributes, numClasses, numDistinctValues, numDistinctValues, numInstances, randomize, relationName, remove, renameAttribute, renameAttribute, renameAttributeValue, renameAttributeValue, replaceAttributeAt, resample, resampleWithWeights, resampleWithWeights, resampleWithWeights, resampleWithWeights, resampleWithWeights, resampleWithWeights, resampleWithWeights, set, setClass, setClassIndex, setRelationName, size, sort, sort, stratify, stratStep, stringFreeStructure, stringWithoutHeader, sumOfWeights, swap, test, testCV, toString, toSummaryString, trainCV, trainCV, variance, variance

Methods inherited from class java.util.AbstractList

addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, removeRange, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray

Constructor Detail

InstancesHeader

public InstancesHeader(weka.core.Instances i)

Method Detail

add

public boolean add(weka.core.Instance i)

Specified by:

add in interface Collection<weka.core.Instance>

Specified by:

add in interface List<weka.core.Instance>

Overrides:

add in class weka.core.Instances

readInstance

public boolean readInstance(Reader r)
                     throws IOException

Overrides:

readInstance in class weka.core.Instances

Throws:

IOException

getClassNameString

public static String getClassNameString(InstancesHeader context)

getClassLabelString

public static String getClassLabelString(InstancesHeader context,
                         int classLabelIndex)

getAttributeNameString

public static String getAttributeNameString(InstancesHeader context,
                            int attIndex)

getNominalValueString

public static String getNominalValueString(InstancesHeader context,
                           int attIndex,
                           int valIndex)

getNumericValueString

public static String getNumericValueString(InstancesHeader context,
                           int attIndex,
                           double value)