com.wcohen.ss.expt

Class MatchExpt

java.lang.Object

com.wcohen.ss.expt.MatchExpt

public class MatchExpt
extends Object

Perform a matching experiment using a data file, distance function and blocker.

Field Summary

Fields

Modifier and Type	Field and Description
static String	BLOCKER_PACKAGE
static String	DISTANCE_PACKAGE

Constructor Summary

Constructors

Constructor and Description
MatchExpt(MatchData data, StringDistanceLearner learner)
MatchExpt(MatchData data, StringDistanceLearner learner, Blocker blocker)

Method Summary

Modifier and Type	Method and Description
Double	averagePrecision() non-interpolated average precision
Double	blockerRecall() performance of the blocker
void	displayResults(boolean showMismatches, PrintStream out) Show results in a simple format.
void	dumpResults(PrintStream out) Show results in an easily machine-readable format.
void	graphPrecisionRecall(PrintStream out) Graph interpolated precision vs recall
double[]	interpolated11PointPrecision() Return an array of interpolated precision at various different recall levels.
static double[]	interpolated11PointRecallLevels() Return recall levels associated with the precision levels returned by interpolated11PointPrecision.
static void	main(String[] argv) Command-line interface.
Double	maxF1() max F1 for any threshold
Double	pairsPerSecond() Return total time to process data, divided by the number of pairs
Double	time() Return total time to process data.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

BLOCKER_PACKAGE

public static final String BLOCKER_PACKAGE

See Also:

Constant Field Values

DISTANCE_PACKAGE

public static final String DISTANCE_PACKAGE

See Also:

Constant Field Values

Constructor Detail

MatchExpt

public MatchExpt(MatchData data,
                 StringDistanceLearner learner,
                 Blocker blocker)

MatchExpt

public MatchExpt(MatchData data,
                 StringDistanceLearner learner)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

time

public Double time()

Return total time to process data.

pairsPerSecond

public Double pairsPerSecond()

Return total time to process data, divided by the number of pairs

averagePrecision

public Double averagePrecision()

non-interpolated average precision

maxF1

public Double maxF1()

max F1 for any threshold

blockerRecall

public Double blockerRecall()

performance of the blocker

interpolated11PointRecallLevels

public static double[] interpolated11PointRecallLevels()

Return recall levels associated with the precision levels returned by interpolated11PointPrecision.

interpolated11PointPrecision

public double[] interpolated11PointPrecision()

Return an array of interpolated precision at various different recall levels.

graphPrecisionRecall

public void graphPrecisionRecall(PrintStream out)
                          throws IOException

Graph interpolated precision vs recall

Throws:

IOException

displayResults

public void displayResults(boolean showMismatches,
                           PrintStream out)
                    throws IOException

Show results in a simple format.

Throws:

IOException

dumpResults

public void dumpResults(PrintStream out)
                 throws IOException

Show results in an easily machine-readable format.

Throws:

IOException

main

public static void main(String[] argv)

Command-line interface.