Package weka.filters.unsupervised.attribute

Class CartesianProduct

java.lang.Object
weka.filters.Filter
weka.filters.SimpleFilter
weka.filters.SimpleBatchFilter
weka.filters.unsupervised.attribute.CartesianProduct
All Implemented Interfaces:
Serializable, CapabilitiesHandler, CapabilitiesIgnorer, CommandlineRunnable, OptionHandler, RevisionHandler
public class CartesianProduct extends SimpleBatchFilter
A filter for performing the Cartesian product of a set of nominal attributes. The weight of the new Cartesian product attribute is the sum of the weights of the combined attributes.

Valid options are: 

 -R <col1,col2-col4,...>
  Specifies list of nominal attributes to use to form the product.
  (default none)
 -output-debug-info
  If set, filter is run in debug mode and
  may output additional info to the console
 -do-not-check-capabilities
  If set, filter capabilities are not checked before filter is built
  (use with caution).
Version:
$Revision: 12037 $
Author:
Eibe Frank
See Also:

  • Constructor Details

    • CartesianProduct

      public CartesianProduct()

  • Method Details

    • globalInfo

      public String globalInfo()
      Returns a string describing this filter
      Specified by:
      globalInfo in class SimpleFilter
      Returns:
      a description of the filter suitable for displaying in the explorer/experimenter gui

    • listOptions

      public Enumeration<Option> listOptions()
      Returns an enumeration describing the available options.
      Specified by:
      listOptions in interface OptionHandler
      Overrides:
      listOptions in class Filter
      Returns:
      an enumeration of all the available options.

    • setOptions

      public void setOptions(String[] options) throws Exception
      Parses a list of options for this object.

      Valid options are: 

       -R <col1,col2-col4,...>
  Specifies list of nominal attributes to use to form the product.
  (default none)
       -output-debug-info
  If set, filter is run in debug mode and
  may output additional info to the console
       -do-not-check-capabilities
  If set, filter capabilities are not checked before filter is built
  (use with caution).
      Specified by:
      setOptions in interface OptionHandler
      Overrides:
      setOptions in class Filter
      Parameters:
      options - the list of options as an array of strings
      Throws:
      Exception - if an option is not supported

    • getOptions

      public String[] getOptions()
      Gets the current settings of the filter.
      Specified by:
      getOptions in interface OptionHandler
      Overrides:
      getOptions in class Filter
      Returns:
      an array of strings suitable for passing to setOptions

    • attributeIndicesTipText

      public String attributeIndicesTipText()
      Returns the tip text for this property
      Returns:
      tip text for this property suitable for displaying in the explorer/experimenter gui

    • getAttributeIndices

      public String getAttributeIndices()
      Gets the current range selection
      Returns:
      a string containing a comma separated list of ranges

    • setAttributeIndices

      public void setAttributeIndices(String value)
      Sets which attributes are to be used for interquartile calculations and outlier/extreme value detection (only numeric attributes among the selection will be used).
      Parameters:
      value - a string representing the list of attributes. Since the string will typically come from a user, attributes are indexed from 1.
      eg: first-3,5,6-last
      Throws:
      IllegalArgumentException - if an invalid range list is supplied

    • setAttributeIndicesArray

      public void setAttributeIndicesArray(int[] value)
      Sets which attributes are to be used.
      Parameters:
      value - an array containing indexes of attributes to work on. Since the array will typically come from a program, attributes are indexed from 0.
      Throws:
      IllegalArgumentException - if an invalid set of ranges is supplied

    • getCapabilities

      public Capabilities getCapabilities()
      Returns the Capabilities of this filter.
      Specified by:
      getCapabilities in interface CapabilitiesHandler
      Overrides:
      getCapabilities in class Filter
      Returns:
      the capabilities of this object
      See Also:

    • getRevision

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

    • main

      public static void main(String[] args)
      Main method for testing this class.
      Parameters:
      args - should contain arguments to the filter: use -h for help