Roy C. Geary

Roy C. Geary
Born
Robert Charles Geary

(1896-04-11)April 11, 1896
DiedFebruary 8, 1983(1983-02-08) (aged 86)
NationalityIrish
Alma materUniversity College Dublin
Sorbonne University
Known forGeary's C
Stone–Geary utility function
Scientific career
InstitutionsUniversity of Southampton
Department of Industry and Commerce
ESRI

Robert (Roy) Charles Geary (April 11, 1896 – February 8, 1983)[1] was an Irish mathematician, statistician and founder of both the Central Statistics Office and the Economic and Social Research Institute. Geary is known for his contributions to the estimation of errors-in-variables models,[2] Geary's C, the Geary–Khamis dollar, the Stone–Geary utility function, and Geary's theorem,[3] which has that if the sample mean is distributed independently of the sample variance, then the population is distributed normally.[4][5][6]

  1. ^ "Robert Geary - Biography". Maths History. Retrieved 1 January 2024.
  2. ^ Qin, Duo (1993). The Formation of Econometrics: A Historical Perspective. New York: Oxford University Press. pp. 86–87. ISBN 0-19-828388-1.
  3. ^ Geary, R. C. (1936). "The Distribution of "Student's" Ratio for Non-Normal Samples". Supplement to the Journal of the Royal Statistical Society. 3 (2): 178–184. doi:10.2307/2983669. JSTOR 2983669.
  4. ^ Laha, R. G. (1953). "On an extension of Geary's theorem". Biometrika. 40 (1–2): 228–229. doi:10.1093/biomet/40.1-2.228. ISSN 0006-3444.
  5. ^ Spencer, J. E. (2001), Heyde, C. C.; Seneta, E.; Crépel, P.; Fienberg, S. E. (eds.), "Robert Charles Geary", Statisticians of the Centuries, New York, NY: Springer New York, pp. 459–463, doi:10.1007/978-1-4613-0179-0_98, ISBN 978-0-387-95283-3, retrieved 3 January 2024
  6. ^ Spencer, J. E. "THE SCIENTIFIC WORK OF ROBERT CHARLES GEARY" (PDF). Retrieved 3 January 2024.

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