Package net.simplace.sim.util.statistics

Class Bias

java.lang.Object

net.simplace.sim.util.statistics.ErrorCalculationMethod

net.simplace.sim.util.statistics.Bias

Direct Known Subclasses:

SignedBias

public class Bias
extends ErrorCalculationMethod

Methods for calculating the bias/mean error See D. Wallach, Working with Dynamic Crop Models, p. 22

Author:

Gunther Krauss

Field Summary

Fields inherited from class net.simplace.sim.util.statistics.ErrorCalculationMethod

count, sum

Constructor Summary

Constructors

Constructor	Description
Bias()

Method Summary

Modifier and Type	Method	Description
void	addDataPair(double observed, double calculated)	Adds a pair of observed and calculated data to the list
String	getDescription()	Gets the full name or a short description of the error method
String	getLabel()	Gets the label of the calculation method
double	getValue()	Calculates the (error)value from the list of pairs
boolean	isBetter(double better, double worse)	Checks if the first value is better than the second value with respect to the calcualtion method.

Methods inherited from class net.simplace.sim.util.statistics.ErrorCalculationMethod

getWorstValue, init

Methods inherited from class java.lang.Object

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

Constructor Details

Bias

public Bias()

Method Details

addDataPair

public void addDataPair(double observed,
 double calculated)

Description copied from class: ErrorCalculationMethod

Adds a pair of observed and calculated data to the list

Specified by:

addDataPair in class ErrorCalculationMethod

getValue

public double getValue()

Description copied from class: ErrorCalculationMethod

Calculates the (error)value from the list of pairs

Specified by:

getValue in class ErrorCalculationMethod

Returns:

errorvalue

isBetter

public boolean isBetter(double better,
 double worse)

Description copied from class: ErrorCalculationMethod

Checks if the first value is better than the second value with respect to the calcualtion method.

Specified by:

isBetter in class ErrorCalculationMethod

Returns:

true if first value is better than second

getLabel

public String getLabel()

Description copied from class: ErrorCalculationMethod

Gets the label of the calculation method

Specified by:

getLabel in class ErrorCalculationMethod

Returns:

label

getDescription

public String getDescription()

Description copied from class: ErrorCalculationMethod

Gets the full name or a short description of the error method

Overrides:

getDescription in class ErrorCalculationMethod

Returns:

description or full name