Package weka.filters
Class AllFilter
java.lang.Object
weka.filters.Filter
weka.filters.AllFilter
- All Implemented Interfaces:
Serializable
,CapabilitiesHandler
,RevisionHandler
,Sourcable
A simple instance filter that passes all instances directly
through. Basically just for testing purposes.
- Version:
- $Revision: 5550 $
- Author:
- Len Trigg (trigg@cs.waikato.ac.nz)
- See Also:
-
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionReturns the Capabilities of this filter.Returns the revision string.Returns a string describing this filterboolean
Input an instance for filtering.static void
Main method for testing this class.boolean
setInputFormat
(Instances instanceInfo) Sets the format of the input instances.Returns a string that describes the filter as source.Methods inherited from class weka.filters.Filter
batchFilterFile, batchFinished, filterFile, getCapabilities, getOutputFormat, isFirstBatchDone, isNewBatch, isOutputFormatDefined, makeCopies, makeCopy, numPendingOutput, output, outputPeek, toString, useFilter, wekaStaticWrapper
-
Constructor Details
-
AllFilter
public AllFilter()
-
-
Method Details
-
globalInfo
Returns a string describing this filter- Returns:
- a description of the filter suitable for displaying in the explorer/experimenter gui
-
getCapabilities
Returns the Capabilities of this filter.- Specified by:
getCapabilities
in interfaceCapabilitiesHandler
- Overrides:
getCapabilities
in classFilter
- Returns:
- the capabilities of this object
- See Also:
-
setInputFormat
Sets the format of the input instances.- Overrides:
setInputFormat
in classFilter
- 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
- Throws:
Exception
- if something goes wrong
-
input
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.- Overrides:
input
in classFilter
- 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 defined.
-
toSource
Returns a string that describes the filter as source. The filter will be contained in a class with the given name (there may be auxiliary classes), and will contain two methods with these signatures:
where the array// converts one row public static Object[] filter(Object[] i); // converts a full dataset (first dimension is row index) public static Object[][] filter(Object[][] i);
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. -
getRevision
Returns the revision string.- Specified by:
getRevision
in interfaceRevisionHandler
- Overrides:
getRevision
in classFilter
- Returns:
- the revision
-
main
Main method for testing this class.- Parameters:
argv
- should contain arguments to the filter: use -h for help
-