meka.experiment.evaluationstatistics

Interface EvaluationStatisticsHandler

All Superinterfaces:

LogSupporter, weka.core.OptionHandler, Serializable

All Known Subinterfaces:

FileBasedEvaluationStatisticsHandler, IncrementalEvaluationStatisticsHandler, OptionalIncrementalEvaluationStatisticsHandler

All Known Implementing Classes:

AbstractEvaluationStatisticsHandler, AbstractFileBasedEvaluationStatisticsHandler, InMemory, KeyValuePairs, Serialized

public interface EvaluationStatisticsHandler
extends weka.core.OptionHandler, Serializable, LogSupporter

Interface for classes that load and save collected EvaluationStatistics in some form.

Version:

$Revision$

Author:

FracPete (fracpete at waikato dot ac dot nz)

Method Summary

Modifier and Type	Method and Description
String	finish() Gets called after the experiment finished.
String	initialize() Initializes the handler.
boolean	isThreadSafe() Returns whether the handler is threadsafe.
List<EvaluationStatistics>	read() Reads the statistics.
String	write(List<EvaluationStatistics> stats) Stores the given statistics.

Methods inherited from interface weka.core.OptionHandler

getOptions, listOptions, setOptions

Methods inherited from interface meka.events.LogSupporter

addLogListener, log, removeLogListener

Method Detail

isThreadSafe

boolean isThreadSafe()

Returns whether the handler is threadsafe.

Returns:

true if threadsafe

initialize

String initialize()

Initializes the handler.

Returns:

null if successfully initialized, otherwise error message

read

List<EvaluationStatistics> read()

Reads the statistics.

Returns:

the statistics that were read

write

String write(List<EvaluationStatistics> stats)

Stores the given statistics.

Parameters:

stats - the statistics to store

Returns:

null if successfully stored, otherwise error message

finish

String finish()

Gets called after the experiment finished.

Returns:

null if successfully finished, otherwise error message