• Thumbnail for Harold Jeffreys
    Sir Harold Jeffreys, FRS (22 April 1891 – 18 March 1989) was a British geophysicist who made significant contributions to mathematics and statistics....
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  • In Bayesian probability, the Jeffreys prior, named after Sir Harold Jeffreys, is a non-informative prior distribution for a parameter space; its density...
    16 KB (2,564 words) - 03:29, 4 January 2024
  • Thumbnail for Royal Astronomical Society
    history of science (Agnes Mary Clerke Medal). Lectureships include the Harold Jeffreys Lectureship in geophysics, the George Darwin Lectureship in astronomy...
    19 KB (1,806 words) - 18:00, 14 May 2024
  • problem of the disagreement between the two approaches was discussed in Harold Jeffreys' 1939 textbook; it became known as Lindley's paradox after Dennis Lindley...
    13 KB (2,215 words) - 00:17, 29 March 2024
  • politician George Jeffreys (pastor) (1889–1962), British religious leader Gina Jeffreys (born 1968), Australian singer Harold Jeffreys (1891–1989), British...
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  • to 1969. In 1940, Swirles married fellow mathematician Harold Jeffreys becoming Lady Jeffreys when he was knighted in 1953. She enjoyed music and was...
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  • Thumbnail for Beta distribution
    domain [0, 1] was pointed out by Harold Jeffreys in the first edition (1939) of his book Theory of Probability ( p. 123). Jeffreys writes "Certainly if we take...
    262 KB (44,221 words) - 02:46, 18 April 2024
  • giving rise to objective and subjective currents in Bayesian practice. Harold Jeffreys' Theory of Probability (first published in 1939) played an important...
    33 KB (3,413 words) - 03:17, 25 March 2024
  • Thumbnail for Edwin Thompson Jaynes
    the results of other approaches. This book, which he dedicated to Harold Jeffreys, was published posthumously in 2003 (from an incomplete manuscript...
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  • J(1,2)=I(1:2)+I(2:1)} , which had already been defined and used by Harold Jeffreys in 1948. In Kullback (1959), the symmetrized form is again referred...
    72 KB (12,374 words) - 00:20, 17 May 2024
  • probability was developed mainly by Laplace. About 200 years later, Sir Harold Jeffreys put Bayes's algorithm and Laplace's formulation on an axiomatic basis...
    55 KB (7,883 words) - 13:14, 15 May 2024
  • (1836–1882) George Darwin (1883–1912) Arthur Eddington (1913–1944) Harold Jeffreys (1946–1958) Fred Hoyle (1958–1972) Martin Rees (1973–1991) Richard...
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  • Thumbnail for Inge Lehmann
    seismologists of the time, such as Beno Gutenberg, Charles Richter, and Harold Jeffreys, adopted this interpretation within two or three years, but it took...
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  • Thumbnail for Information geometry
    many others. Ronald Fisher Harald Cramér Calyampudi Radhakrishna Rao Harold Jeffreys Solomon Kullback Jean-Louis Koszul Richard Leibler Claude Shannon Imre...
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  • Léon Brillouin, who all developed it in 1926. In 1923, mathematician Harold Jeffreys had developed a general method of approximating solutions to linear...
    39 KB (6,870 words) - 07:57, 18 May 2024
  • status (the 'null hypothesis'), and only considers evidence against it. Harold Jeffreys gave a scale for interpretation of K: The second column gives the corresponding...
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  • The Jeffreys model like the Zener model is a three element model. It consist of two dashpots and a spring. It was proposed in 1929 by Harold Jeffreys to...
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  • Thumbnail for William Sealy Gosset
    challenged by Ronald Fisher, who preferred randomized designs. The Bayesian Harold Jeffreys, and Gosset's close associates Jerzy Neyman and Egon S. Pearson sided...
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  • Thumbnail for Seismology
    the mainshock was produced along a shallow crustal fault. In 1926, Harold Jeffreys was the first to claim, based on his study of earthquake waves, that...
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  • razor from probability theory, including notable attempts made by Harold Jeffreys and E. T. Jaynes. The probabilistic (Bayesian) basis for Occam's razor...
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  • [citation needed] Objective Bayesian inference was further developed by Harold Jeffreys at the University of Cambridge. His seminal book "Theory of probability"...
    62 KB (7,618 words) - 05:53, 21 February 2024
  • Infinite expression Infinite series Pentagonal number theorem Jeffreys, Harold; Jeffreys, Bertha Swirles (1999). Methods of Mathematical Physics. Cambridge...
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  • Thumbnail for Plate tectonics
    could move around. Many distinguished scientists of the time, such as Harold Jeffreys and Charles Schuchert, were outspoken critics of continental drift...
    112 KB (13,617 words) - 03:52, 13 May 2024
  • Thumbnail for Durham University
    George Rochester (1926), co-discoverer of the kaon sub-atomic particle, Harold Jeffreys (Mathematics, 1919), winner of the Royal Society's Copley Medal, and...
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  • advanced degrees, rather than research-training degrees at the PhD level. Harold Jeffreys said that getting a Cambridge ScD was "more or less equivalent to being...
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  • Thumbnail for Rings of Saturn
    William Herschel Russell Gap 118,614 33 Henry Norris Russell Jeffreys Gap 118,950 38 Harold Jeffreys Kuiper Gap 119,405 3 Gerard Kuiper Laplace Gap 119,967...
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  • that it has an infinite mass). Harold Jeffreys devised a systematic way for designing uninformative priors as e.g., Jeffreys prior p−1/2(1 − p)−1/2 for the...
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  • 1949 1951 57 Herbert Dingle 1951 1953 58 John Jackson 1953 1955 59 Harold Jeffreys 1955 1957 60 William Herbert Steavenson 1957 1959 61 Roderick Oliver...
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  • Thumbnail for Mary Cartwright
    proof as a Tripos question, later published in an appendix to Sir Harold Jeffreys' book Scientific Inference. In 1947, she was elected to be a Fellow...
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  • Thumbnail for List of geodesists
    Friedrich Hopfner, 1881–1949 (Austria) Martin Hotine, 1898–1968 (England) Harold Jeffreys, 1891–1989 (England) William M. Kaula, 1926–2000 (United States) Karl-Rudolf...
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