Package com.yahoo.labs.samoa.instances

Class InstancesHeader

java.lang.Object

com.yahoo.labs.samoa.instances.Instances

com.yahoo.labs.samoa.instances.InstancesHeader

Direct Known Subclasses:

MultilabelInstancesHeader

public class InstancesHeader
extends 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 $

See Also:

Serialized Form

Field Summary

Fields inherited from class com.yahoo.labs.samoa.instances.Instances

arff, ARFF_DATA, ARFF_RELATION, hsAttributesIndices, indicesIrrelevants, indicesRelevants, instanceInformation, instances

Constructor Summary

Constructors

Constructor	Description
InstancesHeader()
InstancesHeader(Instances i)

Method Summary

Modifier and Type	Method	Description
static java.lang.String	getAttributeNameString(InstancesHeader context, int attIndex)
static java.lang.String	getClassLabelString(InstancesHeader context, int classLabelIndex)
static java.lang.String	getClassNameString(InstancesHeader context)
static java.lang.String	getInputAttributeNameString(InstancesHeader context, int attIndex)
InstanceInformation	getInstanceInformation()
static java.lang.String	getNominalValueString(InstancesHeader context, int attIndex, int valIndex)
static java.lang.String	getNumericValueString(InstancesHeader context, int attIndex, double value)
Attribute	inputAttribute(int w)
int	numInputAttributes()
int	numOutputAttributes()
Attribute	outputAttribute(int w)

Methods inherited from class com.yahoo.labs.samoa.instances.Instances

add, attribute, attribute, classAttribute, classIndex, copyInstances, delete, delete, deleteAttributeAt, get, getIndicesIrrelevants, getIndicesRelevants, getRelationName, indexOf, insertAttributeAt, instance, meanOrMode, numAttributes, numClasses, numInstances, randomize, readInstance, set, setAttributes, setAttributes, setAttributes, setClassIndex, setIndicesRelevants, setRangeOutputIndices, setRelationName, size, stratify, stratStep, stringWithoutHeader, swap, testCV, toString, trainCV, trainCV

Methods inherited from class java.lang.Object

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

Constructor Detail

InstancesHeader

public InstancesHeader(Instances i)

InstancesHeader

public InstancesHeader()

Method Detail

getClassNameString

public static java.lang.String getClassNameString(InstancesHeader context)

getClassLabelString

public static java.lang.String getClassLabelString(InstancesHeader context,
                                                   int classLabelIndex)

getAttributeNameString

public static java.lang.String getAttributeNameString(InstancesHeader context,
                                                      int attIndex)

getInputAttributeNameString

public static java.lang.String getInputAttributeNameString(InstancesHeader context,
                                                           int attIndex)

getNominalValueString

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

getNumericValueString

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

inputAttribute

public Attribute inputAttribute(int w)

outputAttribute

public Attribute outputAttribute(int w)

numInputAttributes

public int numInputAttributes()

numOutputAttributes

public int numOutputAttributes()

getInstanceInformation

public InstanceInformation getInstanceInformation()