Clustering device, clustering method and a clustering program

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PROBLEM TO BE SOLVED : To speedily and accurately perform the clustering of data by Affinity Propagation.SOLUTION : Aggregation Aand aggregation Rwhich are repeated calculation objects of t-th availability and (t+1)th responsibility are acquired. The calculation of availability and responsibility, and processing for obtaining aggregation Aand aggregation Rare repeated until both aggregation Aand aggregation Rwhich are t-th repeated calculation objects after performing one-increment of the number of repeated calculation one time become empty sets. Exemplar of all data points being clustering objects is decided on the basis of availability and responsibility at the number of times T of repeated calculation before performing one-increment when both the aggregation Aand aggregation Rbecome the empty sets.SELECTED DRAWING : Figure 10