com.rapidminer.operator.learner.functions.neuralnet
Class OutputNode

java.lang.Object
  com.rapidminer.operator.learner.functions.neuralnet.Node
      com.rapidminer.operator.learner.functions.neuralnet.OutputNode

public class OutputNode
extends Node

This node represents the output node(s) of a neural network. It uses a sigmoid activation function for classification tasks (one node for each class) and a linear function for regression tasks.

Author:

Ingo Mierswa

Field Summary

Fields inherited from class com.rapidminer.operator.learner.functions.neuralnet.Node

currentError, currentValue, HIDDEN, INPUT, inputNodeOutputIndices, inputNodes, OUTPUT, outputNodeInputIndices, outputNodes

Constructor Summary

OutputNode(java.lang.String nodeName, Attribute label, double labelRange, double labelBase)

Method Summary

double	calculateError(boolean shouldCalculate, Example example) Calculates the error for this node.
double	calculateValue(boolean shouldCalculate, Example example) Calculates the output for this node.
int	getClassIndex()
void	setClassIndex(int classIndex)

Methods inherited from class com.rapidminer.operator.learner.functions.neuralnet.Node

areWeightsUpdated, connect, connectInput, connectOutput, disconnect, disconnectInput, disconnectOutput, getInputNodeOutputIndices, getInputNodes, getLayerIndex, getNodeName, getNodeType, getOutputNodeInputIndices, getOutputNodes, getWeight, reset, update

Methods inherited from class java.lang.Object

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

Constructor Detail

OutputNode

public OutputNode(java.lang.String nodeName,
                  Attribute label,
                  double labelRange,
                  double labelBase)

Method Detail

setClassIndex

public void setClassIndex(int classIndex)

getClassIndex

public int getClassIndex()

calculateValue

public double calculateValue(boolean shouldCalculate,
                             Example example)

Description copied from class: Node

Calculates the output for this node.

Specified by:

calculateValue in class Node

calculateError

public double calculateError(boolean shouldCalculate,
                             Example example)

Description copied from class: Node

Calculates the error for this node.

Specified by:

calculateError in class Node