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Clustering of periodic multichannel timeseries data with application to plasma fluctuations

Haskey, Shaun; Blackwell, Boyd; Pretty, David


A periodic datamining algorithm has been developed and used to extract distinct plasma fluctuations in multichannel oscillatory timeseries data. The technique uses the Expectation Maximisation algorithm to solve for the maximum likelihood estimates and cluster assignments of a mixture of multivariate independent von Mises distributions (EM-VMM). The performance of the algorithm shows significant benefits when compared to a periodic k-means algorithm and clustering using non-periodic techniques...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Computer Physics Communications
DOI: 10.1016/j.cpc.2014.03.008


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