public class MahalanobisMetric extends AbstractMetric
init(double[][])
method prior to calculating distances.DistanceMetric.SparcseMetricModes
Modifier and Type | Field and Description |
---|---|
(package private) double[][] |
covarianceMatrix |
PACKAGE_NAME
Constructor and Description |
---|
MahalanobisMetric() |
Modifier and Type | Method and Description |
---|---|
double |
distance(double[] vector1,
double[] vector2)
Calculates the distance between two vectors provided by argument
vector1 and vector2 . |
void |
init(double[][] covarianceMatrix) |
checkDimensions, checkDimensions, compareTo, distance, distance, distance, distance, distance, distance, distance, distance, instantiate, instantiateNice, meanVector, performanceTest, setMetricParams, transformValue, transformVector
public void init(double[][] covarianceMatrix)
public double distance(double[] vector1, double[] vector2) throws MetricException
DistanceMetric
vector1
and vector2
. A
MetricException
is thrown, if the dimensionalities of the two vectors differ.distance
in interface DistanceMetric
distance
in class AbstractMetric
vector1
- first vector.vector2
- second vector.vector1
and vector2
.MetricException
- if the dimensionalities of the two vectors differ.DistanceMetric.distance(double[], double[])