ai.libs.jaicore.ml.core.dataset

Interface IInstance

All Superinterfaces:

org.apache.commons.math3.ml.clustering.Clusterable

All Known Implementing Classes:

SimpleInstance, WekaInstance

public interface IInstance
extends org.apache.commons.math3.ml.clustering.Clusterable

Interface of an instance which consists of attributes and a target value.

Method Summary

Modifier and Type	Method and Description
double[]	getAsDoubleVector() Turns the instance into a double vector.
<T> IAttributeValue<T>	getAttributeValue(int position, java.lang.Class<T> type) Getter for the value of an attribute for the given position.
default double[]	getPoint()
<T> IAttributeValue<T>	getTargetValue(java.lang.Class<T> type) Getter for the value of the target attribute.

Method Detail

getAttributeValue

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

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

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

<T> IAttributeValue<T> getTargetValue(java.lang.Class<T> type)

Getter for the value of the target attribute.

Parameters:

type - The type to bind the value of the target attribute.

Returns:

The value of the traget attribute.

getAsDoubleVector

double[] getAsDoubleVector()
                    throws ContainsNonNumericAttributesException

Turns the instance into a double vector.

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.

getPoint

default double[] getPoint()

Specified by:

getPoint in interface org.apache.commons.math3.ml.clustering.Clusterable