Abstract
A Stein-type density function is defined as a stationary point of the free-energy functional over a fiber that consists of probability densities obtained by coordinate-wise transformations of a given density. It is shown that under some conditions there exists a unique Stein-type density in each fiber. An application to rating is discussed.
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Acknowledgements
The author is grateful to three anonymous referees for their constructive comments. This work was supported by JSPS KAKENHI Grant Numbers JP26108003 and JP17K00044.
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Sei, T. (2017). Coordinate-Wise Transformation and Stein-Type Densities. In: Nielsen, F., Barbaresco, F. (eds) Geometric Science of Information. GSI 2017. Lecture Notes in Computer Science(), vol 10589. Springer, Cham. https://doi.org/10.1007/978-3-319-68445-1_77
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DOI: https://doi.org/10.1007/978-3-319-68445-1_77
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