Summary
The article investigates some characterization problems occurring in mathematical statistics when the sample space is a homogeneous space and a transformation parameter distribution family is considered. We give general form of positive and continuous probability density admitting nontrivial sufficient statistics for this parameter. Conditions of optimality of an equivariant estimators are obtained and some corresponding characterization theorems are stated. We show also that under mild restrictions the transformation parameter family is characterized by distributions of invariant statistics.
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© 1975 D. Reidel Publishing Company, Dordrecht-Holland
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Rukhin, A.L. (1975). Characterizations of Distributions by Statistical Properties on Groups. In: Patil, G.P., Kotz, S., Ord, J.K. (eds) A Modern Course on Statistical Distributions in Scientific Work. NATO Advanced Study Institutes Series, vol 17. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1848-7_13
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DOI: https://doi.org/10.1007/978-94-010-1848-7_13
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-1850-0
Online ISBN: 978-94-010-1848-7
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