public class FirstOrder extends Filter implements UnsupervisedFilter, StreamableFilter, OptionHandler, WeightedInstancesHandler
-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<Option> |
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, debugTipText, doNotCheckCapabilitiesTipText, filterFile, getCapabilities, getCopyOfInputFormat, getDebug, getDoNotCheckCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, mayRemoveInstanceAfterFirstBatchDone, numPendingOutput, output, outputPeek, postExecution, preExecution, run, runFilter, setDebug, setDoNotCheckCapabilities, toString, useFilter, wekaStaticWrapper
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
makeCopy
public java.lang.String globalInfo()
public java.util.Enumeration<Option> listOptions()
listOptions
in interface OptionHandler
listOptions
in class Filter
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
setOptions
in class Filter
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
getOptions
in class Filter
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