Examples of weka.core.Capabilities

weka.core.Capabilities
the classifier handle the data? getCapabilities().testWithFail(instances); ... // possible deletion of instances with missing class labels, etc. For only testing a single attribute, use this:
```
 ... Attribute att = instances.attribute(0); getCapabilities().testWithFail(att); ... 
```
Or for testing the class attribute (uses the capabilities that are especially for the class):
```
 ... Attribute att = instances.classAttribute(); getCapabilities().testWithFail(att, true); ... 
```
@author FracPete (fracpete at waikato dot ac dot nz) @version $Revision: 7082 $

   *
   * @return            the capabilities of this object
   * @see               Capabilities
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    
    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);
    
    // class
    result.enable(Capability.NOMINAL_CLASS);
    result.enable(Capability.NUMERIC_CLASS);
    result.enable(Capability.DATE_CLASS);
    result.enable(Capability.NO_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);
    
    return result;
  }

View Full Code Here

   *
   * @return            the capabilities of this object
   * @see               Capabilities
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    
    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.STRING_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);
    
    // class
    result.enable(Capability.NOMINAL_CLASS);
    result.enable(Capability.NUMERIC_CLASS);
    result.enable(Capability.DATE_CLASS);
    result.enable(Capability.STRING_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);
    result.enable(Capability.NO_CLASS);
    
    return result;
  }

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    m_ClassifierEditor.setValue(ExplorerDefaults.getClassifier());
    m_ClassifierEditor.addPropertyChangeListener(new PropertyChangeListener() {
      public void propertyChange(PropertyChangeEvent e) {
        m_StartBut.setEnabled(true);
        // Check capabilities
        Capabilities currentFilter = m_ClassifierEditor.getCapabilitiesFilter();
        Classifier classifier = (Classifier) m_ClassifierEditor.getValue();
        Capabilities currentSchemeCapabilities =  null;
        if (classifier != null && currentFilter != null && 
            (classifier instanceof CapabilitiesHandler)) {
          currentSchemeCapabilities = ((CapabilitiesHandler)classifier).getCapabilities();
          
          if (!currentSchemeCapabilities.supportsMaybe(currentFilter) &&
              !currentSchemeCapabilities.supports(currentFilter)) {
            m_StartBut.setEnabled(false);
          }
        }
  repaint();
      }

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   * 
   * @param filter  the new filter to use
   */
  protected void updateCapabilitiesFilter(Capabilities filter) {
    Instances     tempInst;
    Capabilities   filterClass;


    if (filter == null) {
      m_ClassifierEditor.setCapabilitiesFilter(new Capabilities(null));
      return;
    }
    
    if (!ExplorerDefaults.getInitGenericObjectEditorFilter())
      tempInst = new Instances(m_Instances, 0);
    else
      tempInst = new Instances(m_Instances);
    tempInst.setClassIndex(m_ClassCombo.getSelectedIndex());


    try {
      filterClass = Capabilities.forInstances(tempInst);
    }
    catch (Exception e) {
      filterClass = new Capabilities(null);
    }
    
    // set new filter
    m_ClassifierEditor.setCapabilitiesFilter(filterClass);
    
    // Check capabilities
    m_StartBut.setEnabled(true);
    Capabilities currentFilter = m_ClassifierEditor.getCapabilitiesFilter();
    Classifier classifier = (Classifier) m_ClassifierEditor.getValue();
    Capabilities currentSchemeCapabilities =  null;
    if (classifier != null && currentFilter != null && 
        (classifier instanceof CapabilitiesHandler)) {
      currentSchemeCapabilities = ((CapabilitiesHandler)classifier).getCapabilities();
      
      if (!currentSchemeCapabilities.supportsMaybe(currentFilter) &&
          !currentSchemeCapabilities.supports(currentFilter)) {
        m_StartBut.setEnabled(false);
      }
    }
  }

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        createTitledBorder("Base learner configuration"));
    
    m_baseLearnerEditor.setClassType(Classifier.class);
    m_baseLearnerEditor.setValue(new weka.classifiers.functions.SMOreg());
    
    Capabilities capabilities = new Capabilities(null);
    capabilities.disableAll();
    capabilities.enable(Capability.NOMINAL_ATTRIBUTES);
    capabilities.enable(Capability.NUMERIC_ATTRIBUTES);
    capabilities.enable(Capability.NUMERIC_CLASS);
    capabilities.enableAllAttributeDependencies();
    capabilities.enableAllClassDependencies();
    m_baseLearnerEditor.setCapabilitiesFilter(capabilities);
    
    basePanel.add(m_baseLearnerPanel, BorderLayout.NORTH);
    //add(basePanel, BorderLayout.NORTH);
    m_configHolder.addTab("Base learner", null, basePanel,

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   *
   * @return            the capabilities of this object
   * @see               Capabilities
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    result.disableAll();


    // attributes
    result.enableAllAttributes();
    result.enable(Capability.MISSING_VALUES);
    
    // class
    result.enableAllClasses();
    result.enable(Capability.MISSING_CLASS_VALUES);
    result.enable(Capability.NO_CLASS);
    
    return result;
  }

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   *
   * @return            the capabilities of this object
   * @see               Capabilities
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    
    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);
    result.enable(Capability.STRING_ATTRIBUTES);
    
    // class
    result.enable(Capability.NOMINAL_CLASS);
    result.enable(Capability.NUMERIC_CLASS);
    result.enable(Capability.DATE_CLASS);
    result.enable(Capability.STRING_CLASS);
    result.enable(Capability.NO_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);
    
    return result;
  }

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   * Returns default capabilities of the classifier.
   *
   * @return      the capabilities of this classifier
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    result.disableAll();


    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);


    // class
    result.enable(Capability.NUMERIC_CLASS);
    result.enable(Capability.DATE_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);
    
    return result;
  }

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   *
   * @return      the capabilities of this classifier
   */
  @Override
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();


    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);


    // class
    result.enable(Capability.NOMINAL_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);


    return result;
  }

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   * Returns default capabilities of the classifier.
   *
   * @return      the capabilities of this classifier
   */
  public Capabilities getCapabilities() {
    Capabilities result = super.getCapabilities();
    result.disableAll();


    // attributes
    result.enable(Capability.NOMINAL_ATTRIBUTES);
    result.enable(Capability.NUMERIC_ATTRIBUTES);
    result.enable(Capability.DATE_ATTRIBUTES);
    result.enable(Capability.MISSING_VALUES);


    // class
    result.enable(Capability.NOMINAL_CLASS);
    result.enable(Capability.NUMERIC_CLASS);
    result.enable(Capability.DATE_CLASS);
    result.enable(Capability.MISSING_CLASS_VALUES);
    
    return result;
  }

View Full Code Here

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