Journal
CHAOS
Volume 21, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3637494
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Funding
- Defense Advanced Research Projects Agency (DARPA) [9060-000709]
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Appealing to several multivariate information measures-some familiar, some new here-we analyze the information embedded in discrete-valued stochastic time series. We dissect the uncertainty of a single observation to demonstrate how the measures' asymptotic behavior sheds structural and semantic light on the generating process's internal information dynamics. The measures scale with the length of time window, which captures both intensive (rates of growth) and subextensive components. We provide interpretations for the components, developing explicit relationships between them. We also identify the informational component shared between the past and the future that is not contained in a single observation. The existence of this component directly motivates the notion of a process's effective (internal) states and indicates why one must build models. (C) 2011 American Institute of Physics. [doi: 10.1063/1.3637494]
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