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On an entropy conservation principle
Part of
- Sufficiency and information
- Communication, information
Jérôme Manuceau, Marylène Troupé, Jean Vaillant
Journal:

Journal of Applied Probability / Volume 36 / Issue 2 / June 1999

Published online by Cambridge University Press:

14 July 2016, pp. 607-610

Print publication:

June 1999
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We present an entropy conservation principle applicable to either discrete or continuous variables which provides a useful tool for aggregating observations. The associated method of modality grouping transforms a variable Z1 into a new variable Z2 such that the mutual information I(Z2,Y) between Y, a variable of interest, and Z2 is equal to I(Z1,Y).

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On an entropy conservation principle