Package weka.filters.unsupervised.attribute.attributeweightsmodifiers

Class FromFile

java.lang.Object

weka.filters.unsupervised.attribute.attributeweightsmodifiers.AbstractAttributeWeightsModifier

weka.filters.unsupervised.attribute.attributeweightsmodifiers.FromFile

All Implemented Interfaces:

Serializable, weka.core.CapabilitiesHandler, weka.core.OptionHandler, AttributeWeightsModifier

public class FromFile
extends AbstractAttributeWeightsModifier

Uses the weights stored in a file (one weight per line).

Valid options are:

 -weights <file>
  The file with weights (one per line)
  (default: .)

 -do-not-check-capabilities
  If set, modifier capabilities are not checked
  (use with caution).

Author:

FracPete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
FromFile()

Method Summary

Modifier and Type	Method	Description
weka.core.Instances	determineOutputFormat(weka.core.Instances inputFormat)	Returns the new output format.
String[]	getOptions()	Gets the current settings of the filter.
File	getWeightsFile()	Get the file with the weights.
String	globalInfo()	Returns a string describing this scheme.
Enumeration<weka.core.Option>	listOptions()	Returns an enumeration describing the available options.
void	setOptions(String[] options)	Parses a given list of options.
void	setWeightsFile(File value)	Sets the file with the weights.
String	weightsFileTipText()	Returns the tip text for this property.

Methods inherited from class weka.filters.unsupervised.attribute.attributeweightsmodifiers.AbstractAttributeWeightsModifier

doNotCheckCapabilitiesTipText, getCapabilities, getCapabilities, getDoNotCheckCapabilities, modifyAttributeWeights, setDoNotCheckCapabilities

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FromFile

public FromFile()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing this scheme.

Specified by:

globalInfo in class AbstractAttributeWeightsModifier

Returns:

a description of the filter suitable for displaying in the explorer/experimenter gui

listOptions

public Enumeration<weka.core.Option> listOptions()

Returns an enumeration describing the available options.

Specified by:

listOptions in interface weka.core.OptionHandler

Overrides:

listOptions in class AbstractAttributeWeightsModifier

Returns:

an enumeration of all the available options.

setOptions

public void setOptions(String[] options)
                throws Exception

Parses a given list of options.

Specified by:

setOptions in interface weka.core.OptionHandler

Overrides:

setOptions in class AbstractAttributeWeightsModifier

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 weka.core.OptionHandler

Overrides:

getOptions in class AbstractAttributeWeightsModifier

Returns:

an array of strings suitable for passing to setOptions

setWeightsFile

public void setWeightsFile(File value)

Sets the file with the weights.

Parameters:

value - the file

getWeightsFile

public File getWeightsFile()

Get the file with the weights.

Returns:

the file

weightsFileTipText

public String weightsFileTipText()

Returns the tip text for this property.

Returns:

tip text for this property suitable for displaying in the explorer/experimenter gui

determineOutputFormat

public weka.core.Instances determineOutputFormat(weka.core.Instances inputFormat)
                                          throws Exception

Returns the new output format.

Parameters:

inputFormat - the input format, before applying the weights

Returns:

the output format, after applying the weights

Throws:

Exception - if determination fails