类 Remove
java.lang.Object
weka.filters.Filter
weka.filters.unsupervised.attribute.Remove
- 所有已实现的接口:
Serializable
,CapabilitiesHandler
,OptionHandler
,RevisionHandler
,StreamableFilter
,UnsupervisedFilter
A filter that removes a range of attributes from the dataset. Will
re-order the remaining attributes if invert matching sense is turned
on and the attribute column indices are not specified in ascending
order.
Valid options are:
-R <index1,index2-index4,...> Specify list of columns to delete. First and last are valid indexes. (default none)
-V Invert matching sense (i.e. only keep specified columns)
- 版本:
- $Revision: 7107 $
- 作者:
- Len Trigg (trigg@cs.waikato.ac.nz)
- 另请参阅:
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构造器概要
构造器 -
方法概要
修饰符和类型方法说明Returns the tip text for this propertyGet the current range selection.Returns the Capabilities of this filter.boolean
Get whether the supplied columns are to be removed or keptString[]
Gets the current settings of the filter.Returns the revision string.Returns a string describing this filterboolean
Input an instance for filtering.Returns the tip text for this propertyReturns an enumeration describing the available options.static void
Main method for testing this class.void
setAttributeIndices
(String rangeList) Set which attributes are to be deleted (or kept if invert is true)void
setAttributeIndicesArray
(int[] attributes) Set which attributes are to be deleted (or kept if invert is true)boolean
setInputFormat
(Instances instanceInfo) Sets the format of the input instances.void
setInvertSelection
(boolean invert) Set whether selected columns should be removed or kept.void
setOptions
(String[] options) Parses a given list of options.从类继承的方法 weka.filters.Filter
batchFilterFile, batchFinished, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper
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构造器详细资料
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Remove
public Remove()Constructor so that we can initialize the Range variable properly.
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方法详细资料
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listOptions
Returns an enumeration describing the available options.- 指定者:
listOptions
在接口中OptionHandler
- 返回:
- an enumeration of all the available options.
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setOptions
Parses a given list of options. Valid options are:-R <index1,index2-index4,...> Specify list of columns to delete. First and last are valid indexes. (default none)
-V Invert matching sense (i.e. only keep specified columns)
- 指定者:
setOptions
在接口中OptionHandler
- 参数:
options
- the list of options as an array of strings- 抛出:
Exception
- if an option is not supported
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getOptions
Gets the current settings of the filter.- 指定者:
getOptions
在接口中OptionHandler
- 返回:
- an array of strings suitable for passing to setOptions
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getCapabilities
Returns the Capabilities of this filter.- 指定者:
getCapabilities
在接口中CapabilitiesHandler
- 覆盖:
getCapabilities
在类中Filter
- 返回:
- the capabilities of this object
- 另请参阅:
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setInputFormat
Sets the format of the input instances.- 覆盖:
setInputFormat
在类中Filter
- 参数:
instanceInfo
- an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).- 返回:
- true if the outputFormat may be collected immediately
- 抛出:
Exception
- if the format couldn't be set successfully
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input
Input an instance for filtering. Ordinarily the instance is processed and made available for output immediately. Some filters require all instances be read before producing output.- 覆盖:
input
在类中Filter
- 参数:
instance
- the input instance- 返回:
- true if the filtered instance may now be collected with output().
- 抛出:
IllegalStateException
- if no input structure has been defined.
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globalInfo
Returns a string describing this filter- 返回:
- a description of the filter suitable for displaying in the explorer/experimenter gui
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invertSelectionTipText
Returns the tip text for this property- 返回:
- tip text for this property suitable for displaying in the explorer/experimenter gui
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getInvertSelection
public boolean getInvertSelection()Get whether the supplied columns are to be removed or kept- 返回:
- true if the supplied columns will be kept
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setInvertSelection
public void setInvertSelection(boolean invert) Set whether selected columns should be removed or kept. If true the selected columns are kept and unselected columns are deleted. If false selected columns are deleted and unselected columns are kept.- 参数:
invert
- the new invert setting
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attributeIndicesTipText
Returns the tip text for this property- 返回:
- tip text for this property suitable for displaying in the explorer/experimenter gui
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getAttributeIndices
Get the current range selection.- 返回:
- a string containing a comma separated list of ranges
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setAttributeIndices
Set which attributes are to be deleted (or kept if invert is true)- 参数:
rangeList
- 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
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setAttributeIndicesArray
public void setAttributeIndicesArray(int[] attributes) Set which attributes are to be deleted (or kept if invert is true)- 参数:
attributes
- an array containing indexes of attributes to select. Since the array will typically come from a program, attributes are indexed from 0.
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getRevision
Returns the revision string.- 指定者:
getRevision
在接口中RevisionHandler
- 覆盖:
getRevision
在类中Filter
- 返回:
- the revision
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main
Main method for testing this class.- 参数:
argv
- should contain arguments to the filter: use -h for help
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