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java.lang.Objectedu.udo.cs.yale.operator.Operator
edu.udo.cs.yale.operator.visualization.ROCChartGenerator
public class ROCChartGenerator
This operator creates a ROC chart for the given example set and model. The model
will be applied on the example set and a ROC chart will be produced afterwards. If
you are interested in finding an optimal threshold, the operator
ThresholdFinder
should be used. If
you are interested in the performance criterion Area-Under-Curve (AUC) the usual
PerformanceEvaluator
can be used. This operator just presents a ROC plot
for a given model and data set.
Please note that a predicted label of the given example set will be removed during
the application of this operator.
Constructor Summary | |
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ROCChartGenerator(OperatorDescription description)
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Method Summary | |
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IOObject[] |
apply()
Implement this method in subclasses. |
java.lang.Class[] |
getInputClasses()
Returns the classes that are needed as input. |
java.lang.Class[] |
getOutputClasses()
Returns the classes that are guaranteed to be returned by apply() as additional output. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ROCChartGenerator(OperatorDescription description)
Method Detail |
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public IOObject[] apply() throws OperatorException
Operator
apply
in class Operator
OperatorException
public java.lang.Class[] getInputClasses()
Operator
Operator.getOutputClasses()
and
Operator.apply()
if this is necessary. This default behavior can be
changed by overriding Operator.getInputDescription(Class)
. Subclasses
which implement this method should not make use of parameters since this
method is invoked by getParameterTypes(). Therefore, parameters are not
fully available at this point of time and this might lead to exceptions.
Please use InputDescriptions instead.
getInputClasses
in class Operator
public java.lang.Class[] getOutputClasses()
Operator
Operator.getInputDescription(Class)
and can be changed by
overwriting this method. Objects which are not consumed must not be
defined as additional output in this method. May be null or an empy array
(no additional output is produced).
getOutputClasses
in class Operator
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