Auto-Havra Charvat entropic measures for stationary time series of categorical data

Atanu Biswas, Maria del Carmen Pardo and Apratim Guha

No WP2013-05-01, IIMA Working Papers from Indian Institute of Management Ahmedabad, Research and Publication Department

Abstract: For stationary time series of nominal categorical data or ordinal categorical data (with arbitrary ordered numberings of the categories), autocorrelation does not make much sense. One can alternatively think of using some entropic measures, of which a measure introduced by Havrda and Charvat (1967) could be particularly useful. We discuss some theoretical properties of measures from this class in the context of categorical time series and look at specific examples. Theoretical properties and simulation results are given along with an illustrative real data example.

Date: 2013-05-02
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Persistent link: https://EconPapers.repec.org/RePEc:iim:iimawp:12102

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