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Class weka.filters.SparseToNonSparseFilter

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

public class SparseToNonSparseFilter
extends Filter
A filter that converts all incoming sparse instances into non-sparse format.

Author:
Len Trigg (len@intelligenesis.net)

Constructor Index

 o SparseToNonSparseFilter()

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 SparseToNonSparseFilter
 public SparseToNonSparseFilter()

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 structure has been defined
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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