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java.lang.Objectweka.filters.Filter
weka.filters.unsupervised.instance.NonSparseToSparse
public class NonSparseToSparse
An instance filter that converts all incoming instances into sparse format.
Constructor Summary | |
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NonSparseToSparse()
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Method Summary | |
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Capabilities |
getCapabilities()
Returns the Capabilities of this filter. |
boolean |
getInsertDummyNominalFirstValue()
Get whether a dummy first value will be inserted in the definition of each nominal attribute. |
java.lang.String[] |
getOptions()
Gets the current option settings for the OptionHandler. |
java.lang.String |
getRevision()
Returns the revision string. |
boolean |
getTreatMissingValuesAsZero()
Get whether missing values are to be treated in the same way as zeros |
java.lang.String |
globalInfo()
Returns a string describing this filter |
boolean |
input(Instance instance)
Input an instance for filtering. |
java.lang.String |
insertDummyNominalFirstValueTipText()
Returns the tip text for this property |
java.util.Enumeration |
listOptions()
Returns an enumeration describing the available options. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
void |
setInsertDummyNominalFirstValue(boolean d)
Set whether to insert a dummy first value in the definition for each nominal attribute or not. |
void |
setOptions(java.lang.String[] options)
Sets the OptionHandler's options using the given list. |
void |
setTreatMissingValuesAsZero(boolean m)
Set whether missing values should be treated in the same way as zeros |
java.lang.String |
treatMissingValuesAsZeroTipText()
Returns the tip text for this property |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, batchFinished, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public NonSparseToSparse()
Method Detail |
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public java.lang.String globalInfo()
public Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Filter
Capabilities
public java.util.Enumeration listOptions()
listOptions
in interface OptionHandler
public void setOptions(java.lang.String[] options) throws java.lang.Exception
OptionHandler
setOptions
in interface OptionHandler
options
- the list of options as an array of strings
java.lang.Exception
- if an option is not supportedpublic java.lang.String[] getOptions()
OptionHandler
getOptions
in interface OptionHandler
public void setTreatMissingValuesAsZero(boolean m)
m
- true if missing values are to be treated the same
as zerospublic boolean getTreatMissingValuesAsZero()
public java.lang.String treatMissingValuesAsZeroTipText()
public void setInsertDummyNominalFirstValue(boolean d)
d
- true if a dummy value is to be inserted for
each nominal attribute.public boolean getInsertDummyNominalFirstValue()
public java.lang.String insertDummyNominalFirstValueTipText()
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).
java.lang.Exception
- if format cannot be processedpublic boolean input(Instance instance)
input
in class Filter
instance
- the input instance.
java.lang.IllegalStateException
- if no input format has been set.public 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
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