public abstract class HoldOutSubsetEvaluator extends ASEvaluation implements SubsetEvaluator
Constructor and Description |
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HoldOutSubsetEvaluator() |
Modifier and Type | Method and Description |
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abstract double |
evaluateSubset(java.util.BitSet subset,
Instance holdOut,
boolean retrain)
Evaluates a subset of attributes with respect to a single instance.
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abstract double |
evaluateSubset(java.util.BitSet subset,
Instances holdOut)
Evaluates a subset of attributes with respect to a set of instances.
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buildEvaluator, clean, forName, getCapabilities, getRevision, makeCopies, postProcess
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
evaluateSubset
public abstract double evaluateSubset(java.util.BitSet subset, Instances holdOut) throws java.lang.Exception
subset
- a bitset representing the attribute subset to be
evaluatedholdOut
- a set of instances (possibly seperate and distinct
from those use to build/train the evaluator) with which to
evaluate the merit of the subsetjava.lang.Exception
- if the subset cannot be evaluatedpublic abstract double evaluateSubset(java.util.BitSet subset, Instance holdOut, boolean retrain) throws java.lang.Exception
subset
- a bitset representing the attribute subset to be
evaluatedholdOut
- a single instance (possibly not one of those used to
build/train the evaluator) with which to evaluate the merit of the subsetretrain
- true if the classifier should be retrained with respect
to the new subset before testing on the holdOut instance.java.lang.Exception
- if the subset cannot be evaluated