org.knime.base.node.mine.mds.distances

Interface RowDistanceManager

All Known Subinterfaces:

DistanceManager

All Known Implementing Classes:

CosinusDistanceManager, EuclideanDistanceManager, ManhattanDistanceManager

public interface RowDistanceManager

Provides distances between two data rows.

Since:

2.6

Author:

Kilian Thiel, University of Konstanz

Method Summary

Modifier and Type	Method and Description
double	getDistance(DataRow row1, DataRow row2) Returns the distance between the given DataRows, row1 and row2.
String	getType()

Method Detail

getDistance

double getDistance(DataRow row1,
                   DataRow row2)

Returns the distance between the given DataRows, row1 and row2. The distance metric is up to the concrete implementation.

Parameters:

row1 - First DataRow to compute distance.

row2 - Second DataRow to compute distance.

Returns:

The distance between given DataRows.

getType

String getType()

Returns:

The type of the RowDistanceManager. See DistanceManagerFactory for valid types.

See Also:

DistanceManagerFactory.COS_DIST, DistanceManagerFactory.EUCLIDEAN_DIST, DistanceManagerFactory.MANHATTAN_DIST