com.pervasive.datarush.analytics.knn

Interface ClassificationScheme.Classifier

Enclosing class:

ClassificationScheme

public static interface ClassificationScheme.Classifier

Resolves the class of a query record from a set of neighbors.

Method Summary

Modifier and Type	Method and Description
void	addValue(ClassificationScheme.Distance distance, double value) Specifies a new neighbor value and the distance to that neighbor.
double	getClassification() Gets the classification to assign based on the specified neighbors.
void	initialize() Initialize the state of the classifier.

Method Detail

initialize

void initialize()

Initialize the state of the classifier. Called once for each query record.

addValue

void addValue(ClassificationScheme.Distance distance,
              double value)

Specifies a new neighbor value and the distance to that neighbor.

Called once per neighbor for each query record. Neighbors will be provided in order of increasing distance. That is, the first value is always of the nearest neighbor.

Parameters:

distance - the distance to the neighbor

value - the neighbor's classification

getClassification

double getClassification()

Gets the classification to assign based on the specified neighbors. Called once for each query record.

Returns:

the resulting classification