Empirical identification of non-stationary dynamics in time series of recordings

This data was imported from DBLP:

Authors: Balaguer-Ballester, E., Tabas-Diaz, A. and Budka, M.

Editors: Bouchachia, A.

http://dx.doi.org/10.1007/978-3-319-11298-5

Journal: ICAIS

Volume: 8779

Pages: 142-151

Publisher: Springer

ISBN: 978-3-319-11297-8

DOI: 10.1007/978-3-319-11298-5_15

This source preferred by Marcin Budka and Emili Balaguer-Ballester

This data was imported from Scopus:

Authors: Balaguer-Ballester, E., Tabas-Diaz, A. and Budka, M.

Journal: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

Volume: 8779 LNAI

Pages: 142-151

eISSN: 1611-3349

ISBN: 9783319112978

ISSN: 0302-9743

DOI: 10.1007/978-3-319-11298-5_15

Non-stationarity time series are very common in physical, biological and in real-world systems in general, ranging from geophysics, econometrics or electroencephalography to logistics. Identifying, detecting and adapting learning algorithms to non-stationary environments is a fundamental task in many data mining scenarios; however it is often a major challenge for current methodologies. Data analysis in the context of time-varying statistical moments is a very active research direction in machine learning and in computational statistics; but theoretical insights into latent causes of non-stationarity in empirical data are very scarce. In this study, we evaluate the capacity of the trajectory classification error statistic in order to detect a significant variation in the underlying dynamics of data collected in multiple stages. We analysed qualitatively the conditions leading to observable changes in non-stationary data generated by Duffing non-linear oscillators; which are ubiquitous models of complex classification problems. Analyses are further benchmarked in a dataset consisting of atmospheric pollutants time series. © 2014 Springer International Publishing Switzerland.

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