期刊
FLUCTUATION AND NOISE LETTERS
卷 10, 期 1, 页码 13-30出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0219477511000375
关键词
Time series; permutations; entropy; structural changes
资金
- MCI (Ministerio de Ciencia e Innovacion) [MTM2008-03679/MTM]
- FEDER (Fondo Europeo de Desarrollo Regional) [MTM2008-03679/MTM]
- Fundacion Seneca, CARM [08667/PI/08]
- Ministerio de Ciencia e Innovacion [ENE2010-20495-C02-02]
The number of permutations appearing in data series is used for detecting changes in the structure of such series. We show the influence of the permutations length (embedding dimension) in order to get good results. We use permutations to analyze real data from medical and biological origins. Some problems that appear in applying these techniques are pointed out.
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