org.deidentifier.arx.risk

Class RiskModelSampleWildcard

java.lang.Object

org.deidentifier.arx.risk.RiskModelSampleWildcard

public class RiskModelSampleWildcard
extends java.lang.Object

This class implements risk measures as proposed by El Emam in "Guide to the De-Identification of Personal Health Information", "Measuring the Probability of Re-Identification" considering suppressed values as a wildcard

Constructor Summary

Constructors

Constructor and Description
RiskModelSampleWildcard(DataHandleInternal handle, java.util.Set<java.lang.String> identifiers, double threshold, java.lang.String wildcard, WrappedBoolean stop, WrappedInteger progress) Creates a new instance

Method Summary

Modifier and Type	Method and Description
double	getAverageRisk() Returns the average risk
double	getEffectiveRiskThreshold() Returns the effective risk threshold, which may differ from the specified risk threshold due to rounding issues
double	getHighestRisk() Returns the highest risk
double	getLowestRisk() Returns the lowest risk
double	getRecordsAtRisk() Returns the fraction of records with a risk higher than the given threshold
double	getRiskThreshold() Returns the user-specified threshold.
double	getSuccessRate() Returns the success rate

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RiskModelSampleWildcard

public RiskModelSampleWildcard(DataHandleInternal handle,
                               java.util.Set<java.lang.String> identifiers,
                               double threshold,
                               java.lang.String wildcard,
                               WrappedBoolean stop,
                               WrappedInteger progress)

Creates a new instance

Parameters:

handle - handle

identifiers - quasi-identifiers

threshold - Note: due to rounding issues this threshold may be exceeded by up to 1%

wildcard - string representing suppressed values

stop - stop flag

progress - progress

Method Detail

getAverageRisk

public double getAverageRisk()

Returns the average risk

Returns:

the average risk

getEffectiveRiskThreshold

public double getEffectiveRiskThreshold()

Returns the effective risk threshold, which may differ from the specified risk threshold due to rounding issues

Returns:

the effective risk threshold

getHighestRisk

public double getHighestRisk()

Returns the highest risk

Returns:

the highest risk

getLowestRisk

public double getLowestRisk()

Returns the lowest risk

Returns:

the lowest risk

getRecordsAtRisk

public double getRecordsAtRisk()

Returns the fraction of records with a risk higher than the given threshold

Returns:

the records at risk

getRiskThreshold

public double getRiskThreshold()

Returns the user-specified threshold. Note: the effective threshold may differ slightly due to rounding issues. See: getEffectiveRiskThreshold

Returns:

getSuccessRate

public double getSuccessRate()

Returns the success rate

Returns: