public class FirstOrder extends Filter implements UnsupervisedFilter, StreamableFilter, OptionHandler
-R <index1,index2-index4,...> Specify list of columns to take the differences between. First and last are valid indexes. (default none)
Constructor and Description |
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FirstOrder() |
Modifier and Type | Method and Description |
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java.lang.String |
attributeIndicesTipText()
Returns the tip text for this property
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java.lang.String |
getAttributeIndices()
Get the current range selection
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Capabilities |
getCapabilities()
Returns the Capabilities of this filter.
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java.lang.String[] |
getOptions()
Gets the current settings of the filter.
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java.lang.String |
getRevision()
Returns the revision string.
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java.lang.String |
globalInfo()
Returns a string describing this filter
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boolean |
input(Instance instance)
Input an instance for filtering.
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java.util.Enumeration |
listOptions()
Returns an enumeration describing the available options.
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static void |
main(java.lang.String[] argv)
Main method for testing this class.
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void |
setAttributeIndices(java.lang.String rangeList)
Set which attributes are to be deleted (or kept if invert is true)
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void |
setAttributeIndicesArray(int[] attributes)
Set which attributes are to be deleted (or kept if invert is true)
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boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances.
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void |
setOptions(java.lang.String[] options)
Parses a given list of options.
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batchFilterFile, batchFinished, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper
public java.lang.String globalInfo()
public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
-R <index1,index2-index4,...> Specify list of columns to take the differences between. First and last are valid indexes. (default none)
setOptions
in interface OptionHandler
options
- the list of options as an array of stringsjava.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
getOptions
in interface OptionHandler
public Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Filter
Capabilities
public boolean setInputFormat(Instances instanceInfo) throws java.lang.Exception
setInputFormat
in class Filter
instanceInfo
- an Instances object containing the input instance
structure (any instances contained in the object are ignored - only the
structure is required).UnsupportedAttributeTypeException
- if any of the
selected attributes are not numericjava.lang.Exception
- if only one attribute has been selected.public boolean input(Instance instance)
public java.lang.String attributeIndicesTipText()
public java.lang.String getAttributeIndices()
public void setAttributeIndices(java.lang.String rangeList) throws java.lang.Exception
rangeList
- a string representing the list of attributes. Since
the string will typically come from a user, attributes are indexed from
1. java.lang.Exception
- if an invalid range list is suppliedpublic void setAttributeIndicesArray(int[] attributes) throws java.lang.Exception
attributes
- an array containing indexes of attributes to select.
Since the array will typically come from a program, attributes are indexed
from 0.java.lang.Exception
- if an invalid set of ranges is suppliedpublic java.lang.String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class Filter
public static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter: use -h for help