Affiliation:
1. Centre for Applied Dynamics and Optimization, University of Western Australia, Nedlands, WA 6907, Australia
Abstract
We have found numerical evidence of deterministic properties in a multichannel physiological time series, a segment of the Santa Fe data set B which was recorded from a patient with sleep apnea. We used recently developed methods for finding good time-delay embeddings for multichannel data, together with nonlinear deterministic prediction. We show that determining good embeddings for this multivariate time series gives good short-term predictions, and convincing free-run (simulation) behavior, using only a simple local-linear approximation method. We also discovered relations between the different channels, which are heart-rate, respiration and blood-oxygen saturation.
Publisher
World Scientific Pub Co Pte Lt
Subject
Applied Mathematics,Modelling and Simulation,Engineering (miscellaneous)
Cited by
6 articles.
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