World Library  
Flag as Inappropriate
Email this Article

Maurice Kendall

Article Id: WHEBN0000589136
Reproduction Date:

Title: Maurice Kendall  
Author: World Heritage Encyclopedia
Language: English
Subject: Henry Wynn, T. M. F. Smith, Joseph Oscar Irwin, Leon Isserlis, Robert Giffen
Collection: 1907 Births, 1983 Deaths, 20Th-Century Economists, 20Th-Century Mathematicians, Academics of the London School of Economics, Alumni of St John's College, Cambridge, British Operations Researchers, Civil Servants in the Ministry of Agriculture, Fisheries and Food, Elected Members of the International Statistical Institute, English Civil Servants, English Mathematicians, English Statisticians, Fellows of the American Statistical Association, Fellows of the British Academy, Fellows of the British Computer Society, Fellows of the Econometric Society, Fellows of the Institute of Mathematical Statistics, Knights Bachelor, Members of Hm Government Statistical Service, People from Kettering, Presidents of the International Statistical Institute, Presidents of the Royal Statistical Society, Winners of the Guy Medal in Gold, Winners of the Guy Medal in Silver
Publisher: World Heritage Encyclopedia
Publication
Date:
 

Maurice Kendall

Sir Maurice George Kendall, FBA (6 September 1907 – 29 March 1983) was a British statistician, widely known for his contribution to statistics. The Kendall tau rank correlation is named after him.

Contents

  • Education and early life 1
  • Work in statistics 2
  • War-time efforts 3
  • London School of Economics 4
  • CEIR and WFS 5
  • Honours 6
  • Notes 7
  • Family 8
  • References 9

Education and early life

Maurice Kendall was born in cerebral meningitis, which was frequently fatal at that time. After growing up in Derby, England, he studied mathematics at St John's College, Cambridge, where he played cricket and chess (with future champions Conel Hugh O'Donel Alexander and Jacob Bronowski). After graduation as a Mathematics Wrangler in 1929, he joined the British Civil Service in the Ministry of Agriculture. In this position he became increasingly interested in using statistics towards agricultural questions, and one of his first published papers to the Royal Statistical Society involved studying crop productivity using factor analysis. He was elected a Fellow of the Society in 1934.[1]

Work in statistics

In 1938 and 1939 he began work, along with Bernard Babington-Smith, on the question of random number generation, developing both one of the first early mechanical devices to produce random digits, and formulated a series of tests for statistical randomness in a given set of digits which, with some small modifications, became fairly widely used.[2] He produced one of the second large collections of random digits[3] (100,000 in total, over twice as many as those published by L. H. C. Tippett in 1927), which was a commonly used tract until the publication of RAND Corporation's A Million Random Digits with 100,000 Normal Deviates in 1955 (which was developed with a roulette wheel-like machine very similar to Kendall's and verified as "random" using his statistical tests).

In 1937, he aided the ageing statistician G. Udny Yule in the revision of his standard statistical textbook, Introduction to the Theory of Statistics, commonly known for many years as "Yule and Kendall". The two had met by chance in 1935, and were on close terms until Yule's death in 1951 (Yule was godfather to Kendall's second son).

During this period he also began work on the rank correlation coefficient which currently bears his name (Kendall's tau), which eventually led to a monograph on Rank Correlation in 1948.

In the late 1930s, he was additionally part of a group of five other statisticians who endeavoured to produce a reference work summarising recent developments in statistical theory, but it was cancelled on account of onset of World War II.

War-time efforts

Kendall became Assistant general manager to the British Chamber of Shipping by day and had air-raid warden duties by night. Despite these constraints on his time, he managed to produce volume one of The Advanced Theory of Statistics in 1943 and a second volume in 1946.

During the war he also produced a series of papers extending to work of R.A. Fisher on the theory of k-statistics, and developed a number of extensions to this work through the 1950s. After the war, he worked on the theory and practice of time series analysis, and conclusively demonstrated (with the meager computing resources available at the time) that unsmoothed sample periodograms were unreliable estimators for the population spectrum.

London School of Economics

In 1949 he accepted the second chair of statistics at the London School of Economics, University of London. Here he worked part-time as the director of the new Research Techniques Division. From 1952 to 1957 he edited a two-volume work on Statistical Sources in the United Kingdom, which was a standard reference until the mid-1970s. In the fifities he also worked on multivariate analysis, and developed the text Multivariate Analysis in 1957. In the same year he also developed, along with W. R. Buckland, a Dictionary of Statistical Terms, aimed at helping making the tools of statistics more available to potential users in industry and government.

In 1953 he published " The Analytics of Economic Time Series, Part 1: Prices"[4] in which he suggested that the movement of shares on the stock market was random i.e. they were as likely to go up on a certain day as they were to go down. These results were disturbing to some financial economists and further debate and research then followed. This ultimately led to the creation of the Random Walk Hypothesis, and the closely related efficient-market hypothesis which states that random price movements indicate a well-functioning or efficient market.

CEIR and WFS

In 1961 he left the University of London and took a position as the managing director (later chairman) of a consulting company, CEIR (later known as Scientific Control Systems), and in the same year began a two-year term as president of the Royal Statistical Society. In the 1960s he published and co-edited a number of volumes and monographs in statistical theory.

In 1972, he became director of the World Fertility Survey, a project sponsored by the International Statistical Institute and the United Nations which aimed to study fertility in developed and developing nations. He continued this work until 1980, when illness forced him to retire.

Honours

He was knighted by the British government in 1974 for his services to the theory of statistics, and received a medal from the United Nations in 1980 in recognition for his work on the World Fertility Survey. He was also elected a fellow of the British Academy and received the highest honour of the Royal Statistical Society, the Guy Medal in Gold. He additionally had served as president of the Operational Research Society, the Institute of Statisticians, and was elected a fellow of the American Statistical Association, the Institute of Mathematical Statistics, the Econometric Society, and the British Computer Society. At the time of his death in 1983, he was honorary president of the International Statistical Institute.

Notes

  1. ^  . Retrieved 26 May 2011
  2. ^ Kendall, M.G.; Babington Smith, B. (1938). "Randomness and Random Sampling Numbers".  
  3. ^ Kendall, M.G.; Babington Smith, B. (1939). Tables of Random Sampling Numbers. Cambridge, England: Cambridge University Press.  
  4. ^ Kendall, M. G.; Bradford Hill, A (1953). "The Analysis of Economic Time-Series-Part I: Prices".  

Family

Kendall's first wife, Sheila (née Lester), predeceased him. He was survived by their daughter and two sons, and by his second wife, Ruth (née Whitfield) and their son.

References

  • Ord, Keith (1984). "In Memoriam: Maurice George Kendall, 1907–1983".  
  • Stuart, Alan (1984). "Sir Maurice Kendall, 1907–1983".  
  • Bartholomew, D. J. (1983). "Obituary: Sir Maurice Kendall FBA".  
  • .  
  • Alan Stuart and Keith Ord, Kendall's Advanced Theory of Statistics Volume 1 – Distribution Theory (Sixth Ed.), 1994
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and USA.gov, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for USA.gov and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
 
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
 
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.
 


Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.