net.seninp.jmotif.cluster

Interface StartStrategy

All Known Implementing Classes:

FurthestFirstStrategy, RandomStartStrategy

public interface StartStrategy

Template for initial k-means centroids strategy.

Author:

psenin

Method Summary

Modifier and Type	Method and Description
LinkedHashMap<String,HashMap<String,Double>>	getCentroids(Integer num, HashMap<String,HashMap<String,Double>> data) Samples out of data desired number of entries to use as initial cluster centers.

Method Detail

getCentroids

LinkedHashMap<String,HashMap<String,Double>> getCentroids(Integer num,
                                                          HashMap<String,HashMap<String,Double>> data)

Samples out of data desired number of entries to use as initial cluster centers.

Parameters:

num - The desired number of centers.

data - The data. JMotif's tfidf structure used.

Returns:

Sampled according to the strategy data.