id3
Class NodeLoss

java.lang.Object
  |
  +--id3.NodeLoss

public class NodeLoss

extends java.lang.Object

Class used for node accuracies. Stores the total weight of instances this node is responsible for, and also the total losses incurred by this node.

Field Summary

double	totalLoss Total losses incurred by this node.
double	totalLossSquared The totalLoss value squared.
double	totalWeight The total weight of instances in this node.

Method Summary

void	display(java.io.BufferedWriter ostream) Display this NodeLoss object to a BufferedWriter.
void	update(double weight, double loss) Updates the total weight and total loss information.

Methods inherited from class java.lang.Object

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

Field Detail

totalWeight

public double totalWeight

The total weight of instances in this node.

totalLoss

public double totalLoss

Total losses incurred by this node.

totalLossSquared

public double totalLossSquared

The totalLoss value squared.

Method Detail

display

public void display(java.io.BufferedWriter ostream)

Display this NodeLoss object to a BufferedWriter.

Parameters:

ostream - The BufferedWriter to which this NodeLoss is displayed.

update

public void update(double weight,
                   double loss)

Updates the total weight and total loss information.

Parameters:

weight - The new total weight.

loss - The new loss value.