public class ReplaceMissingValues extends PotentialClassIgnorer implements UnsupervisedFilter, Sourcable
-unset-class-temporarily Unsets the class index temporarily before the filter is applied to the data. (default: no)
Constructor and Description |
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ReplaceMissingValues() |
Modifier and Type | Method and Description |
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boolean |
batchFinished()
Signify that this batch of input to the filter is finished.
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Capabilities |
getCapabilities()
Returns the Capabilities of this filter.
|
String |
getRevision()
Returns the revision string.
|
String |
globalInfo()
Returns a string describing this filter
|
boolean |
input(Instance instance)
Input an instance for filtering.
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static void |
main(String[] argv)
Main method for testing this class.
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boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances.
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String |
toSource(String className,
Instances data)
Returns a string that describes the filter as source.
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getIgnoreClass, getOptions, getOutputFormat, ignoreClassTipText, listOptions, setIgnoreClass, setOptions
batchFilterFile, filterFile, getCapabilities, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper
public String globalInfo()
public Capabilities getCapabilities()
getCapabilities
in interface CapabilitiesHandler
getCapabilities
in class Filter
Capabilities
public boolean setInputFormat(Instances instanceInfo) throws Exception
setInputFormat
in class PotentialClassIgnorer
instanceInfo
- an Instances object containing the input
instance structure (any instances contained in the object are
ignored - only the structure is required).Exception
- if the input format can't be set
successfullypublic boolean input(Instance instance)
input
in class Filter
instance
- the input instanceIllegalStateException
- if no input format has been set.public boolean batchFinished()
batchFinished
in class Filter
IllegalStateException
- if no input structure has been definedpublic String toSource(String className, Instances data) throws Exception
// converts one row
public static Object[] filter(Object[] i);
// converts a full dataset (first dimension is row index)
public static Object[][] filter(Object[][] i);
where the array i
contains elements that are either
Double, String, with missing values represented as null. The generated
code is public domain and comes with no warranty.public String getRevision()
getRevision
in interface RevisionHandler
getRevision
in class Filter
public static void main(String[] argv)
argv
- should contain arguments to the filter:
use -h for helpCopyright © 2019 University of Waikato, Hamilton, NZ. All rights reserved.