Package weka.filters.supervised.attribute

Class PLS

  • All Implemented Interfaces:
    Serializable, weka.core.CapabilitiesHandler, weka.core.CapabilitiesIgnorer, weka.core.CommandlineRunnable, GenericPLSMatrixAccess, weka.core.OptionHandler, weka.core.RevisionHandler, weka.core.TechnicalInformationHandler, weka.filters.SupervisedFilter
    public class PLS
extends weka.filters.SimpleBatchFilter
implements weka.filters.SupervisedFilter, weka.core.TechnicalInformationHandler, GenericPLSMatrixAccess
    Applies the specified partial least squares (PLS) algorithm to the data.

    BibTeX: 
     @book{Naes2002,
    author = {Tormod Naes and Tomas Isaksson and Tom Fearn and Tony Davies},
    publisher = {NIR Publications},
    title = {A User Friendly Guide to Multivariate Calibration and Classification},
    year = {2002},
    ISBN = {0-9528666-2-5}
 }


    Valid options are: 

     -algorithm <value>
  The PLS algorithm to apply.
  (default: weka.filters.supervised.attribute.pls.PLS1)
     -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:
    $Revision$
    Author:
    FracPete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected AbstractPLS m_Algorithm
      the PLS algorithm.

      • Fields inherited from class weka.filters.Filter

        m_Debug, m_DoNotCheckCapabilities, m_FirstBatchDone, m_InputRelAtts, m_InputStringAtts, m_NewBatch, m_OutputRelAtts, m_OutputStringAtts

    • Constructor Summary

      Constructors 
      Constructor Description
      PLS()  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      String algorithmTipText()
      Returns the tip text for this property
      protected weka.core.Instances determineOutputFormat​(weka.core.Instances inputFormat)
      Determines the output format based on the input format and returns this.
      AbstractPLS getAlgorithm()
      Returns the PLS algorithm to use.
      weka.core.Capabilities getCapabilities()
      Returns the Capabilities of this filter.
      protected AbstractPLS getDefaultAlgorithm()
      Returns the default algorithm.
      weka.core.matrix.Matrix getLoadings()
      Returns the loadings, if available.
      weka.core.matrix.Matrix getMatrix​(String name)
      Returns the matrix with the specified name.
      String[] getMatrixNames()
      Returns the all the available matrices.
      String[] getOptions()
      returns the options of the current setup
      String getRevision()
      Returns the revision string.
      weka.core.TechnicalInformation getTechnicalInformation()
      Returns an instance of a TechnicalInformation object, containing detailed information about the technical background of this class, e.g., paper reference or book this class is based on.
      String globalInfo()
      Returns a string describing this classifier.
      boolean hasLoadings()
      Whether the algorithm supports return of loadings.
      Enumeration<weka.core.Option> listOptions()
      Gets an enumeration describing the available options.
      static void main​(String[] args)
      runs the filter with the given arguments.
      protected weka.core.Instances process​(weka.core.Instances instances)
      Processes the given data (may change the provided dataset) and returns the modified version.
      void setAlgorithm​(AbstractPLS value)
      Sets the PLS algorithm to use.
      void setOptions​(String[] options)
      Parses the options for this object.

      • Methods inherited from class weka.filters.SimpleBatchFilter

        allowAccessToFullInputFormat, batchFinished, hasImmediateOutputFormat, input

      • Methods inherited from class weka.filters.SimpleFilter

        reset, setInputFormat

      • Methods inherited from class weka.filters.Filter

        batchFilterFile, bufferInput, copyValues, copyValues, debugTipText, doNotCheckCapabilitiesTipText, filterFile, flushInput, getCapabilities, getDebug, getDoNotCheckCapabilities, getInputFormat, getOutputFormat, initInputLocators, initOutputLocators, inputFormatPeek, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputFormatPeek, outputPeek, postExecution, preExecution, push, push, resetQueue, run, runFilter, setDebug, setDoNotCheckCapabilities, setOutputFormat, testInputFormat, toString, useFilter, wekaStaticWrapper

    • Field Detail

      • m_Algorithm

        protected AbstractPLS m_Algorithm
        the PLS algorithm.

    • Constructor Detail

      • PLS

        public PLS()

    • Method Detail

      • globalInfo

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

      • getTechnicalInformation

        public weka.core.TechnicalInformation getTechnicalInformation()
        Returns an instance of a TechnicalInformation object, containing detailed information about the technical background of this class, e.g., paper reference or book this class is based on.
        Specified by:
        getTechnicalInformation in interface weka.core.TechnicalInformationHandler
        Returns:
        the technical information about this class

      • listOptions

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

      • getOptions

        public String[] getOptions()
        returns the options of the current setup
        Specified by:
        getOptions in interface weka.core.OptionHandler
        Overrides:
        getOptions in class weka.filters.Filter
        Returns:
        the current options

      • setOptions

        public void setOptions​(String[] options)
                throws Exception
        Parses the options for this object.
        Specified by:
        setOptions in interface weka.core.OptionHandler
        Overrides:
        setOptions in class weka.filters.Filter
        Parameters:
        options - the options to use
        Throws:
        Exception - if the option setting fails

      • getDefaultAlgorithm

        protected AbstractPLS getDefaultAlgorithm()
        Returns the default algorithm.
        Returns:
        the default

      • setAlgorithm

        public void setAlgorithm​(AbstractPLS value)
        Sets the PLS algorithm to use.
        Parameters:
        value - the algorithm

      • getAlgorithm

        public AbstractPLS getAlgorithm()
        Returns the PLS algorithm to use.
        Returns:
        the algorithm

      • algorithmTipText

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

      • determineOutputFormat

        protected weka.core.Instances determineOutputFormat​(weka.core.Instances inputFormat)
                                             throws Exception
        Determines the output format based on the input format and returns this. In case the output format cannot be returned immediately, i.e., immediateOutputFormat() returns false, then this method will be called from batchFinished().
        Specified by:
        determineOutputFormat in class weka.filters.SimpleFilter
        Parameters:
        inputFormat - the input format to base the output format on
        Returns:
        the output format
        Throws:
        Exception - in case the determination goes wrong
        See Also:
        SimpleBatchFilter.hasImmediateOutputFormat(), SimpleBatchFilter.batchFinished()

      • getCapabilities

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

      • process

        protected weka.core.Instances process​(weka.core.Instances instances)
                               throws Exception
        Processes the given data (may change the provided dataset) and returns the modified version. This method is called in batchFinished().
        Specified by:
        process in class weka.filters.SimpleFilter
        Parameters:
        instances - the data to process
        Returns:
        the modified data
        Throws:
        Exception - in case the processing goes wrong
        See Also:
        SimpleBatchFilter.batchFinished()

      • getMatrix

        public weka.core.matrix.Matrix getMatrix​(String name)
        Returns the matrix with the specified name.
        Specified by:
        getMatrix in interface GenericPLSMatrixAccess
        Parameters:
        name - the name of the matrix
        Returns:
        the matrix, null if not available

      • getLoadings

        public weka.core.matrix.Matrix getLoadings()
        Returns the loadings, if available.
        Specified by:
        getLoadings in interface GenericPLSMatrixAccess
        Returns:
        the loadings, null if not available

      • getRevision

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

      • main

        public static void main​(String[] args)
        runs the filter with the given arguments.
        Parameters:
        args - the commandline arguments