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java.lang.Objectweka.classifiers.misc.monotone.ZeroOneLossFunction
public class ZeroOneLossFunction
Class implementing the zero-one loss function, this is an incorrect prediction always accounts for one unit loss.
This implementation is done as part of the master's thesis: "Studie en implementatie van instantie-gebaseerde algoritmen voor gesuperviseerd rangschikken", Stijn Lievens, Ghent University, 2004.
Constructor Summary | |
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ZeroOneLossFunction()
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Method Summary | |
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java.lang.String |
getRevision()
Returns the revision string. |
double |
loss(double actual,
double predicted)
Returns the zero-one loss function between two class values. |
java.lang.String |
toString()
Returns a string with the name of the loss function. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ZeroOneLossFunction()
Method Detail |
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public final double loss(double actual, double predicted)
loss
in interface NominalLossFunction
actual
- the actual class valuepredicted
- the predicted class value
public java.lang.String toString()
toString
in class java.lang.Object
public java.lang.String getRevision()
getRevision
in interface RevisionHandler
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