Package weka.filters.unsupervised.attribute

Class ReplaceWithMissingValue

    • Constructor Detail

      • ReplaceWithMissingValue

        public ReplaceWithMissingValue()

    • Method Detail

      • listOptions

        public java.util.Enumeration<Option> listOptions()
        Gets 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​(java.lang.String[] options)
                throws java.lang.Exception
        Parses a given list of options.

        Valid options are: 

         -R <col1,col2-col4,...>
  Specifies list of columns to modify. First and last are valid indexes.
  (default: first-last)
         -V
  Invert matching sense of column indexes.
         -S <num>
  Specify the random number seed (default 1)
         -P <double>
  Specify the probability  (default 0.1)
         -unset-class-temporarily
  Unsets the class index temporarily before the filter is
  applied to the data.
  (default: no)
        Specified by:
        setOptions in interface OptionHandler
        Overrides:
        setOptions in class Filter
        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 filter.
        Specified by:
        getOptions in interface OptionHandler
        Overrides:
        getOptions in class Filter
        Returns:
        an array of strings suitable for passing to setOptions

      • ignoreClassTipText

        public java.lang.String ignoreClassTipText()
        Returns the tip text for this property
        Returns:
        tip text for this property suitable for displaying in the explorer/experimenter gui

      • setIgnoreClass

        public void setIgnoreClass​(boolean newIgnoreClass)
        Set the IgnoreClass value. Set this to true if the class index is to be unset before the filter is applied.
        Parameters:
        newIgnoreClass - The new IgnoreClass value.

      • getIgnoreClass

        public boolean getIgnoreClass()
        Gets the IgnoreClass value. If this to true then the class index is to unset before the filter is applied.
        Returns:
        the current IgnoreClass value.

      • probabilityTipText

        public java.lang.String probabilityTipText()
        Returns the tip text for this property
        Returns:
        tip text for this property suitable for displaying in the explorer/experimenter gui

      • getProbability

        public double getProbability()
        Get the probability.
        Returns:
        the probability.

      • setProbability

        public void setProbability​(double newProbability)
        Set the probability to use.
        Parameters:
        newProbability - the probability to use.

      • seedTipText

        public java.lang.String seedTipText()
        Returns the tip text for this property
        Returns:
        tip text for this property suitable for displaying in the explorer/experimenter gui

      • getSeed

        public int getSeed()
        Get the random number generator seed value.
        Specified by:
        getSeed in interface Randomizable
        Returns:
        random number generator seed value.

      • setSeed

        public void setSeed​(int newSeed)
        Set the random number generator seed value.
        Specified by:
        setSeed in interface Randomizable
        Parameters:
        newSeed - value to use as the random number generator seed.

      • invertSelectionTipText

        public java.lang.String invertSelectionTipText()
        Returns the tip text for this property
        Returns:
        tip text for this property suitable for displaying in the explorer/experimenter gui

      • getInvertSelection

        public boolean getInvertSelection()
        Gets whether the supplied columns are to be worked on or the others.
        Returns:
        true if the supplied columns will be worked on

      • setInvertSelection

        public void setInvertSelection​(boolean value)
        Sets whether selected columns should be worked on or all the others apart from these. If true all the other columns are considered for "nominalization".
        Parameters:
        value - the new invert setting

      • attributeIndicesTipText

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

      • setAttributeIndices

        public void setAttributeIndices​(java.lang.String value)
        Sets which attributes are to be "nominalized" (only numeric attributes among the selection will be transformed).
        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:
        java.lang.IllegalArgumentException - if an invalid range list is supplied

      • setAttributeIndicesArray

        public void setAttributeIndicesArray​(int[] value)
        Sets which attributes are to be transoformed to nominal. (only numeric attributes among the selection will be transformed).
        Parameters:
        value - an array containing indexes of attributes to nominalize. Since the array will typically come from a program, attributes are indexed from 0.
        Throws:
        java.lang.IllegalArgumentException - if an invalid set of ranges is supplied

      • globalInfo

        public java.lang.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

      • main

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