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Studies in the History of Probability and Statistics. XXXII: Laplace, Fisher and the Discovery of the Concept of Sufficiency

Stephen M. Stigler
Biometrika
Vol. 60, No. 3 (Dec., 1973), pp. 439-445
Published by: Oxford University Press on behalf of Biometrika Trust
DOI: 10.2307/2334992
Stable URL: http://www.jstor.org/stable/2334992
Page Count: 7
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Studies in the History of Probability and Statistics. XXXII: Laplace, Fisher and the Discovery of the Concept of Sufficiency
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Abstract

R. A. Fisher's 1920 discovery of sufficiency while studying competing estimators of standard deviations is discussed. It is shown how Laplace completed a similar investigation a century earlier attempting to improve upon least squares, yet did not abstract the concept.

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