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## weka.classifiers
Class MultipleClassifiersCombiner

    java.lang.Object
      weka.classifiers.Classifier
          weka.classifiers.MultipleClassifiersCombiner

All Implemented Interfaces:
  java.io.Serializable, java.lang.Cloneable, CapabilitiesHandler, OptionHandler, RevisionHandler

Direct Known Subclasses:
  RandomizableMultipleClassifiersCombiner

    public abstract class MultipleClassifiersCombiner

extends Classifier

Abstract utility class for handling settings common to meta classifiers that build an ensemble from multiple classifiers.

Version:
  $Revision: 5905 $
Author:
  Eibe Frank (eibe@cs.waikato.ac.nz)
See Also:
  Serialized Form

Constructor Summary
`MultipleClassifiersCombiner()`

Method Summary
`java.lang.String` | `classifiersTipText()` Returns the tip text for this property
`Capabilities` | `getCapabilities()` Returns combined capabilities of the base classifiers, i.e., the capabilities all of them have in common.
`Classifier` | `getClassifier(int index)` Gets a single classifier from the set of available classifiers.
`Classifier[]` | `getClassifiers()` Gets the list of possible classifers to choose from.
`java.lang.String[]` | `getOptions()` Gets the current settings of the Classifier.
`java.util.Enumeration` | `listOptions()` Returns an enumeration describing the available options
`void` | `setClassifiers(Classifier[] classifiers)` Sets the list of possible classifers to choose from.
`void` | `setOptions(java.lang.String[] options)` Parses a given list of options.

Methods inherited from class weka.classifiers.Classifier
`buildClassifier, classifyInstance, debugTipText, distributionForInstance, forName, getDebug, getRevision, makeCopies, makeCopy, setDebug`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### MultipleClassifiersCombiner

    public MultipleClassifiersCombiner()

Method Detail

### listOptions

    public java.util.Enumeration listOptions()

  Returns an enumeration describing the available options

  Specified by:
    `listOptions` in interface `OptionHandler`
  Overrides:
    `listOptions` in class `Classifier`
  Returns:
    an enumeration of all the available options

### setOptions

    public void setOptions(java.lang.String[] options)
                    throws java.lang.Exception

  Parses a given list of options. Valid options are:

  -B classifierstring
  Classifierstring should contain the full class name of a scheme included for selection followed by options to the classifier (required, option should be used once for each classifier).

  Specified by:
    `setOptions` in interface `OptionHandler`
  Overrides:
    `setOptions` in class `Classifier`
  Parameters:
    `options` - the list of options as an array of strings
  Throws:
    `java.lang.Exception` - if an option is not supported

### getOptions

    public java.lang.String[] getOptions()

  Gets the current settings of the Classifier.

  Specified by:
    `getOptions` in interface `OptionHandler`
  Overrides:
    `getOptions` in class `Classifier`
  Returns:
    an array of strings suitable for passing to setOptions

### classifiersTipText

    public java.lang.String classifiersTipText()

  Returns the tip text for this property

  Returns:
    tip text for this property suitable for displaying in the explorer/experimenter gui

### setClassifiers

    public void setClassifiers(Classifier[] classifiers)

  Sets the list of possible classifers to choose from.

  Parameters:
    `classifiers` - an array of classifiers with all options set.

### getClassifiers

    public Classifier[] getClassifiers()

  Gets the list of possible classifers to choose from.

  Returns:
    the array of Classifiers

### getClassifier

    public Classifier getClassifier(int index)

  Gets a single classifier from the set of available classifiers.

  Parameters:
    `index` - the index of the classifier wanted
  Returns:
    the Classifier

### getCapabilities

    public Capabilities getCapabilities()

  Returns combined capabilities of the base classifiers, i.e., the capabilities all of them have in common.

  Specified by:
    `getCapabilities` in interface `CapabilitiesHandler`
  Overrides:
    `getCapabilities` in class `Classifier`
  Returns:
    the capabilities of the base classifiers
  See Also:
    `Capabilities`

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