ai.libs.jaicore.ml.core.dataset.weka

Class WekaInstance<L>

java.lang.Object

ai.libs.jaicore.basic.sets.ElementDecorator<weka.core.Instance>

ai.libs.jaicore.ml.core.dataset.weka.WekaInstance<L>

All Implemented Interfaces:

IAttributeArrayInstance, ILabeledAttributeArrayInstance<L>, ILabeledInstance<L>, INumericArrayInstance, INumericLabeledAttributeArrayInstance<L>, org.apache.commons.math3.ml.clustering.Clusterable

public class WekaInstance<L>
extends ai.libs.jaicore.basic.sets.ElementDecorator<weka.core.Instance>
implements INumericLabeledAttributeArrayInstance<L>

Constructor Summary

Constructors

Constructor and Description
WekaInstance(weka.core.Instance instance)

Method Summary

Modifier and Type	Method and Description
IAttributeValue<?>[]	getAllAttributeValues()
double[]	getAsDoubleVector() Turns the instance into a double vector.
IAttributeValue<java.lang.Double>	getAttributeValue(int position)
<T> IAttributeValue<T>	getAttributeValueAtPosition(int position, java.lang.Class<T> type) Getter for the value of an attribute for the given position.
int	getNumberOfAttributes() Getter for the number of attributes for the instance.
L	getTargetValue() Getter for the value of the target attribute.

Methods inherited from class ai.libs.jaicore.basic.sets.ElementDecorator

equals, getElement, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface ai.libs.jaicore.ml.core.dataset.INumericArrayInstance

getPoint

Constructor Detail

WekaInstance

public WekaInstance(weka.core.Instance instance)

Method Detail

getAttributeValueAtPosition

public <T> IAttributeValue<T> getAttributeValueAtPosition(int position,
                                                          java.lang.Class<T> type)

Description copied from interface: IAttributeArrayInstance

Getter for the value of an attribute for the given position.

Specified by:

getAttributeValueAtPosition in interface IAttributeArrayInstance

Parameters:

position - The position of the attribute within the instance.

type - The type for which the attribute value shall be returned.

Returns:

The attribute value for the position.

getTargetValue

public L getTargetValue()

Description copied from interface: ILabeledInstance

Getter for the value of the target attribute.

Specified by:

getTargetValue in interface ILabeledInstance<L>

Returns:

The value of the traget attribute.

getAsDoubleVector

public double[] getAsDoubleVector()
                           throws ContainsNonNumericAttributesException

Description copied from interface: INumericArrayInstance

Turns the instance into a double vector.

Specified by:

getAsDoubleVector in interface INumericArrayInstance

Returns:

The instance as a double vector.

Throws:

ContainsNonNumericAttributesException - Thrown if the instance is to be converted into a double vector and still contains non-numeric attributes.

getAttributeValue

public IAttributeValue<java.lang.Double> getAttributeValue(int position)

Specified by:

getAttributeValue in interface INumericArrayInstance

getAllAttributeValues

public IAttributeValue<?>[] getAllAttributeValues()

Specified by:

getAllAttributeValues in interface IAttributeArrayInstance

getNumberOfAttributes

public int getNumberOfAttributes()

Description copied from interface: IAttributeArrayInstance

Getter for the number of attributes for the instance.

Specified by:

getNumberOfAttributes in interface IAttributeArrayInstance

Returns:

Number of attributes