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java.lang.Objectweka.filters.Filter
weka.filters.NullFilter
public class NullFilter
A simple instance filter that allows no instances to pass through. Basically just for testing purposes.
Constructor Summary | |
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NullFilter()
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Method Summary | |
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boolean |
input(Instance instance)
Input an instance for filtering. |
static void |
main(java.lang.String[] argv)
Main method for testing this class. |
boolean |
setInputFormat(Instances instanceInfo)
Sets the format of the input instances. |
Methods inherited from class weka.filters.Filter |
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batchFilterFile, batchFinished, filterFile, getOutputFormat, inputFormat, isOutputFormatDefined, numPendingOutput, output, outputFormat, outputPeek, useFilter |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public NullFilter()
Method Detail |
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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 the inputFormat can't be set successfullypublic boolean input(Instance instance)
input
in class Filter
instance
- the input instance
java.lang.IllegalStateException
- if no input format has been set.public static void main(java.lang.String[] argv)
argv
- should contain arguments to the filter: use -h for help
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