public abstract class Classifier extends java.lang.Object implements java.lang.Cloneable, java.io.Serializable, OptionHandler, CapabilitiesHandler, RevisionHandler
Constructor and Description |
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Classifier() |
Modifier and Type | Method and Description |
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abstract void |
buildClassifier(Instances data)
Generates a classifier.
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double |
classifyInstance(Instance instance)
Classifies the given test instance.
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java.lang.String |
debugTipText()
Returns the tip text for this property
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double[] |
distributionForInstance(Instance instance)
Predicts the class memberships for a given instance.
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static Classifier |
forName(java.lang.String classifierName,
java.lang.String[] options)
Creates a new instance of a classifier given it's class name and (optional)
arguments to pass to it's setOptions method.
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Capabilities |
getCapabilities()
Returns the Capabilities of this classifier.
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boolean |
getDebug()
Get whether debugging is turned on.
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java.lang.String[] |
getOptions()
Gets the current settings of the Classifier.
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java.lang.String |
getRevision()
Returns the revision string.
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java.util.Enumeration |
listOptions()
Returns an enumeration describing the available options.
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static Classifier[] |
makeCopies(Classifier model,
int num)
Creates a given number of deep copies of the given classifier using
serialization.
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static Classifier |
makeCopy(Classifier model)
Creates a deep copy of the given classifier using serialization.
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void |
setDebug(boolean debug)
Set debugging mode.
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void |
setOptions(java.lang.String[] options)
Parses a given list of options.
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public abstract void buildClassifier(Instances data) throws java.lang.Exception
data
- set of instances serving as training datajava.lang.Exception
- if the classifier has not been generated successfullypublic double classifyInstance(Instance instance) throws java.lang.Exception
instance
- the instance to be classifiedjava.lang.Exception
- if an error occurred during the predictionpublic double[] distributionForInstance(Instance instance) throws java.lang.Exception
instance
- the instance to be classifiedjava.lang.Exception
- if distribution could not be computed successfullypublic static Classifier forName(java.lang.String classifierName, java.lang.String[] options) throws java.lang.Exception
classifierName
- the fully qualified class name of the classifieroptions
- an array of options suitable for passing to setOptions. May
be null.java.lang.Exception
- if the classifier name is invalid, or the options
supplied are not acceptable to the classifierpublic static Classifier makeCopy(Classifier model) throws java.lang.Exception
model
- the classifier to copyjava.lang.Exception
- if an error occurspublic static Classifier[] makeCopies(Classifier model, int num) throws java.lang.Exception
model
- the classifier to copynum
- the number of classifier copies to create.java.lang.Exception
- if an error occurspublic java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-D
If set, classifier is run in debug mode and may output additional info to
the console.
setOptions
in interface OptionHandler
options
- the list of options as an array of stringsjava.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
getOptions
in interface OptionHandler
public void setDebug(boolean debug)
debug
- true if debug output should be printedpublic boolean getDebug()
public java.lang.String debugTipText()
public Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
Capabilities
public java.lang.String getRevision()
getRevision
in interface RevisionHandler