Abstract
Some conditions which are usually found in the literature on sufficiency and invariance are considered, with counterexamples given to clarify the relationship between these conditions.
Citation
R. H. Berk. A. G. Nogales. J. A. Oyola. "Some counterexamples concerning sufficiency and invariance." Ann. Statist. 24 (2) 902 - 905, April 1996. https://doi.org/10.1214/aos/1032894472
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