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Class weka.filters.NonSparseToSparseFilter

java.lang.Object
   |
   +----weka.filters.Filter
           |
           +----weka.filters.NonSparseToSparseFilter

public class NonSparseToSparseFilter
extends Filter
A filter that converts all incoming instances into sparse format.

Author:
Eibe Frank (eibe@cs.waikato.ac.nz)

Constructor Index

 o NonSparseToSparseFilter()

Method Index

 o globalInfo()
Returns a string describing this filter
 o input(Instance)
Input an instance for filtering.
 o main(String[])
Main method for testing this class.
 o setInputFormat(Instances)
Sets the format of the input instances.

Constructors

 o NonSparseToSparseFilter
 public NonSparseToSparseFilter()

Methods

 o globalInfo
 public String globalInfo()
Returns a string describing this filter

Returns:
a description of the filter suitable for displaying in the explorer/experimenter gui
 o setInputFormat
 public boolean setInputFormat(Instances instanceInfo) throws Exception
Sets the format of the input instances.

Parameters:
instanceInfo - an Instances object containing the input instance structure (any instances contained in the object are ignored - only the structure is required).
Returns:
true if the outputFormat may be collected immediately
Overrides:
setInputFormat in class Filter
 o input
 public boolean input(Instance instance)
Input an instance for filtering. Ordinarily the instance is processed and made available for output immediately. Some filters require all instances be read before producing output.

Parameters:
instance - the input instance.
Returns:
true if the filtered instance may now be collected with output().
Throws: IllegalStateException
if no input format has been set.
Overrides:
input in class Filter
 o main
 public static void main(String argv[])
Main method for testing this class.

Parameters:
argv - should contain arguments to the filter: use -h for help

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