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Using Data-Compressors for Classification Hunting Behavioral Sequences in Rodents as “Ethological Texts”

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Institute of Animal Systematics and Ecology, Siberian Branch of the Russian Academy of Sciences, 630091 Novosibirsk, Russia
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Department of General Biology and Ecology, Novosibirsk State University, 630090 Novosibirsk, Russia
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V. Zelman Institute for Medicine and Psychology, Novosibirsk State University, 630090 Novosibirsk, Russia
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Department of Information Technologies, Novosibirsk State University, 630090 Novosibirsk, Russia
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Institute of Computational Technologies, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
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Author to whom correspondence should be addressed.
Mathematics 2020, 8(4), 579; https://doi.org/10.3390/math8040579
Received: 29 February 2020 / Revised: 2 April 2020 / Accepted: 9 April 2020 / Published: 14 April 2020
(This article belongs to the Special Issue Information Theory, Cryptography, Randomness and Statistical Modeling)
One of the main problems in comparative studying animal behavior is searching for an adequate mathematical method for evaluating the similarities and differences between behavioral patterns. This study aims to propose a new tool to evaluate ethological differences between species. We developed the new compression-based method for the homogeneity testing and classification to investigate hunting behavior of small mammals. A distinction of this approach is that it belongs to the framework of mathematical statistics and allows one to compare the structural characteristics of any texts in pairwise comparisons. To validate a new method, we compared the hunting behaviors of different species of small mammals as ethological “texts.” To do this, we coded behavioral elements with different letters. We then tested the hypothesis whether the behavioral sequences of different species as “texts” are generated either by a single source or by different ones. Based on association coefficients obtained from pairwise comparisons, we built a new classification of types of hunting behaviors, which brought a unique insight into how particular elements of hunting behavior in rodents changed and evolved. We suggest the compression-based method for homogeneity testing as a relevant tool for behavioral and evolutionary analysis. View Full-Text
Keywords: data compression; hypothesis testing; homogeneity test; classification; biological text; behavioral sequence; ethology data compression; hypothesis testing; homogeneity test; classification; biological text; behavioral sequence; ethology
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Levenets, J.; Novikovskaya, A.; Panteleeva, S.; Reznikova, Z.; Ryabko, B. Using Data-Compressors for Classification Hunting Behavioral Sequences in Rodents as “Ethological Texts”. Mathematics 2020, 8, 579.

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