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 evaluator
   * @see               Capabilities
   */
  public Capabilities getCapabilities() {
    Capabilities  result;
    
    if (getClassifier() == null) {
      result = super.getCapabilities();
      result.disableAll();
    } else {
      result = getClassifier().getCapabilities();
    }
    
    // set dependencies
    for (Capability cap: Capability.values())
      result.enableDependency(cap);
    
    // adjustment for class based on selected evaluation metric
    result.disable(Capability.NUMERIC_CLASS);
    result.disable(Capability.DATE_CLASS);
    if (m_evaluationMeasure != EVAL_ACCURACY && m_evaluationMeasure != EVAL_FMEASURE &&
        m_evaluationMeasure != EVAL_AUC) {
      result.enable(Capability.NUMERIC_CLASS);
      result.enable(Capability.DATE_CLASS);
    }
    
    result.setMinimumNumberInstances(getFolds());
    
    return result;
  }

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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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   * Sets the capabilities to use for filtering.
   * 
   * @param value  the object to get the filter capabilities from
   */
  public void setCapabilitiesFilter(Capabilities value) {
    m_CapabilitiesFilter = new Capabilities(null);
    m_CapabilitiesFilter.assign(value);
  }

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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.STRING_ATTRIBUTES);
    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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   * 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.MISSING_CLASS_VALUES);


    return result;
  }

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   * Sets the capabilities to use for filtering.
   * 
   * @param value  the object to get the filter capabilities from
   */
  public void setCapabilitiesFilter(Capabilities value) {
    m_CapabilitiesFilter = new Capabilities(null);
    m_CapabilitiesFilter.assign(value);
  }

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      m_OkButton.setMnemonic('O');
      m_OkButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          updateCapabilities();
          if (m_CapabilitiesFilter == null)
            m_CapabilitiesFilter = new Capabilities(null);
          m_CapabilitiesFilter.assign(m_Capabilities);
          m_Self.setVisible(false);
          showPopup();
        }
      });

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     */
    public void setCapabilities(Capabilities value) {
      if (value != null)
  m_Capabilities.assign(value);
      else
  m_Capabilities = new Capabilities(null);
      
      updateList();
    }

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      m_OkButton.setMnemonic('O');
      m_OkButton.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          updateCapabilities();
          if (m_CapabilitiesFilter == null)
            m_CapabilitiesFilter = new Capabilities(null);
          m_CapabilitiesFilter.assign(m_Capabilities);
          m_Self.setVisible(false);
          showPopup();
        }
      });

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     */
    public void setCapabilities(Capabilities value) {
      if (value != null)
  m_Capabilities.assign(value);
      else
  m_Capabilities = new Capabilities(null);
      
      updateList();
    }

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