Package weka.classifiers.rules

# Class JRip.NominalAntd

java.lang.Object
weka.classifiers.rules.JRip.Antd
weka.classifiers.rules.JRip.NominalAntd

All Implemented Interfaces:
  `Serializable`, `Copyable`, `RevisionHandler`, `WeightedInstancesHandler`

Enclosing class:
  JRip

public class JRip.NominalAntd extends JRip.Antd
The antecedent with nominal attribute

See Also:
  - Serialized Form

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `NominalAntd(Attribute a)`
  Constructor

- ## Method Summary

  Modifier and Type
  Method
  Description
  `Object`
  `copy()`
  Implements Copyable
  `boolean`
  `covers(Instance inst)`
  Whether the instance is covered by this antecedent
  `String`
  `getRevision()`
  Returns the revision string.
  `Instances[]`
  `splitData(Instances data, double defAcRt, double cl)`
  Implements the splitData function.
  `String`
  `toString()`
  Prints this antecedent

  ### Methods inherited from class weka.classifiers.rules.JRip.Antd

  `getAccu, getAccuRate, getAttr, getAttrValue, getCover, getMaxInfoGain`

  ### Methods inherited from class java.lang.Object

  `equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- ## Constructor Details

  - ### NominalAntd

    public NominalAntd(Attribute a)
    Constructor

- ## Method Details

  - ### copy

    public Object copy()
    Implements Copyable
    Specified by:
      `copy` in interface `Copyable`
    Specified by:
      `copy` in class `JRip.Antd`
    Returns:
      a copy of this object

  - ### splitData

    public Instances[] splitData(Instances data, double defAcRt, double cl)
    Implements the splitData function. This procedure is to split the data into bags according to the nominal attribute value The infoGain for each bag is also calculated.
    Specified by:
      `splitData` in class `JRip.Antd`
    Parameters:
      `data` - the data to be split
      `defAcRt` - the default accuracy rate for data
      `cl` - the class label to be predicted
    Returns:
      the array of data after split

  - ### covers

    public boolean covers(Instance inst)
    Whether the instance is covered by this antecedent
    Specified by:
      `covers` in class `JRip.Antd`
    Parameters:
      `inst` - the instance in question
    Returns:
      the boolean value indicating whether the instance is covered by this antecedent

  - ### toString

    public String toString()
    Prints this antecedent
    Specified by:
      `toString` in class `JRip.Antd`
    Returns:
      a textual description of this antecedent

  - ### getRevision

    public String getRevision()
    Returns the revision string.
    Specified by:
      `getRevision` in interface `RevisionHandler`
    Overrides:
      `getRevision` in class `JRip.Antd`
    Returns:
      the revision