Bradley Efron
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Bradley Efron (; born May 24, 1938) is an American statistician. Efron has been president of the
American Statistical Association The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States. It was founded in Boston, Massachusetts on November 27, 1839, and is the second oldest continuousl ...
(2004) and of the
Institute of Mathematical Statistics The Institute of Mathematical Statistics is an international professional and scholarly society devoted to the development, dissemination, and application of statistics and probability. The Institute currently has about 4,000 members in all parts o ...
(1987–1988).Cochran, J. (1 September 2015), "ASA Leaders Reminisce: Brad Efron", ''Amstat News''. He is a past editor (for theory and methods) of the ''
Journal of the American Statistical Association The ''Journal of the American Statistical Association (JASA)'' is the primary journal published by the American Statistical Association, the main professional body for statisticians in the United States. It is published four times a year in Mar ...
'', and he is the founding editor of the '' Annals of Applied Statistics''. Efron is also the recipient of many awards (see below). Efron is especially known for proposing the bootstrap resampling technique, which has had a major impact in the field of statistics and virtually every area of statistical application. The bootstrap was one of the first computer-intensive statistical techniques, replacing traditional
algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary ...
ic derivations with data-based computer simulations.


Life and career

Efron was born in St. Paul, Minnesota in May 1938, the son of Russian Jewish immigrants Esther and Miles Efron. He attended the
California Institute of Technology The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...
, graduating in Mathematics in 1960. He arrived at Stanford in fall of 1960, earning his Ph.D., under the direction of Rupert Miller and Herbert Solomon, in the Department of Statistics. While at Stanford, he was suspended for six months for his involvement with the ''
Stanford Chaparral The ''Stanford Chaparral'' (also known as the ''Chappie'') is a humor magazine published by students of Stanford University since 1899. History The ''Stanford Chaparral'' was established in 1899 by Bristow Adams. Published for more than 112 ye ...
s parody of ''
Playboy ''Playboy'' is an American men's Lifestyle magazine, lifestyle and entertainment magazine, formerly in print and currently online. It was founded in Chicago in 1953, by Hugh Hefner and his associates, and funded in part by a $1,000 loan from H ...
'' magazine. He is currently a Professor of Statistics and Biostatistics at Stanford. At Stanford he has been the Chair of the Department of Statistics, Associate Dean of the School of Humanities and Sciences, Chairman of the University Advisory Board, Chair of the Faculty Senate, and Co-director of the undergraduate-level Mathematical & Computational Science Program. Efron holds the Max H. Stein endowed chair as Professor of Humanities and Sciences at Stanford. He has made many important contributions to many areas of statistics. Efron's work has spanned both theoretical and applied topics, including empirical Bayes analysis (with Carl Morris), applications of differential geometry to statistical inference, the analysis of survival data, and inference for microarray gene expression data. He is the author of a classic monograph, ''The Jackknife, the Bootstrap and Other Resampling Plans'' (1982) and has also co-authored (with
Robert Tibshirani Robert Tibshirani (born July 10, 1956) is a professor in the Departments of Statistics and Biomedical Data Science at Stanford University. He was a professor at the University of Toronto from 1985 to 1998. In his work, he develops statistical to ...
) the text ''An Introduction to the Bootstrap'' (1994). He created a set of
intransitive dice A set of dice is intransitive (or nontransitive) if it contains three dice, ''A'', ''B'', and ''C'', with the property that ''A'' rolls higher than ''B'' more than half the time, and ''B'' rolls higher than ''C'' more than half the time, but it is ...
called Efron's dice.


Awards

He has been given many honors, including a
MacArthur Prize Fellowship The MacArthur Fellows Program, also known as the MacArthur Fellowship and commonly but unofficially known as the "Genius Grant", is a prize awarded annually by the John D. and Catherine T. MacArthur Foundation typically to between 20 and 30 ind ...
, membership in the National Academy of Sciences and the
American Academy of Arts and Sciences The American Academy of Arts and Sciences (abbreviation: AAA&S) is one of the oldest learned societies in the United States. It was founded in 1780 during the American Revolution by John Adams, John Hancock, James Bowdoin, Andrew Oliver, a ...
, fellowship in the
Institute of Mathematical Statistics The Institute of Mathematical Statistics is an international professional and scholarly society devoted to the development, dissemination, and application of statistics and probability. The Institute currently has about 4,000 members in all parts o ...
(IMS) and the
American Statistical Association The American Statistical Association (ASA) is the main professional organization for statisticians and related professionals in the United States. It was founded in Boston, Massachusetts on November 27, 1839, and is the second oldest continuousl ...
(ASA), the
Lester R. Ford Award Lester is an ancient Anglo-Saxon surname and given name. Notable people and characters with the name include: People Given name * Lester Bangs (1948–1982), American music critic * Lester W. Bentley (1908–1972), American artist from Wisc ...
, the Wilks Medal, the Parzen Prize, and the Rao Prize,
Fisher Fisher is an archaic term for a fisherman, revived as gender-neutral. Fisher, Fishers or The Fisher may also refer to: Places Australia *Division of Fisher, an electoral district in the Australian House of Representatives, in Queensland *Elect ...
, Rietz, and Wald lecturer. In 2005, he was awarded the
National Medal of Science The National Medal of Science is an honor bestowed by the President of the United States to individuals in science and engineering who have made important contributions to the advancement of knowledge in the fields of behavioral and social scienc ...
, the highest scientific honor by the United States, for his exceptional work in the field of Statistics (especially for his inventing of the bootstrapping methodology). He was presented with the award on May 29, 2007. In 2014, he was awarded the
Guy Medal The Guy Medals are awarded by the Royal Statistical Society in three categories; Gold, Silver and Bronze. The Silver and Bronze medals are awarded annually. The Gold Medal was awarded every three years between 1987 and 2011, but is awarded biennia ...
in Gold. He has won the
BBVA Foundation Frontiers of Knowledge Award The BBVA Foundation Frontiers of Knowledge Awards () are an international award programme recognizing significant contributions in the areas of scientific research and cultural creation. The categories that make up the Frontiers of Knowledge Awards ...
in the Basic Sciences category jointly with David Cox, for the development of “pioneering and hugely influential” statistical methods that have proved indispensable for obtaining reliable results in a vast spectrum of disciplines from medicine to astrophysics, genomics, and particle physics. He received the International Prize in Statistics at the 2019 World Statistics Congress.


Selected publications

* * * Efron, B. (1979)
"Computer and the theory of statistics: thinking the unthinkable"
''SIAM Review''. * * Efron, B. (1982)
"The jackknife, the bootstrap, and other resampling plans"
''Society of Industrial and Applied Mathematics CBMS-NSF Monographs'', 38. * Diaconis, P. & Efron, B. (1983). "Computer-intensive methods in statistics". ''
Scientific American ''Scientific American'', informally abbreviated ''SciAm'' or sometimes ''SA'', is an American popular science magazine. Many famous scientists, including Albert Einstein and Nikola Tesla, have contributed articles to it. In print since 1845, it ...
'', May, 116-130. * Efron, B. (1983). "Estimating the error rate of a prediction rule: improvement on cross-validation". ''Journal of the American Statistical Association'' * Efron, B. (1985). "Bootstrap confidence intervals for a class of parametric problems." '' Biometrika''. * Efron, B. (1987). "Better bootstrap confidence intervals". ''Journal of the American Statistical Association'' * Efron, B. (1990). "More efficient bootstrap computations". ''Journal of the American Statistical Association'' * Efron, B. (1991). "Regression percentiles using asymmetric squared error loss". ''Statistica sinica''. * Efron, B. (1992). "Jackknife-after-bootstrap standards errors and influence functions". in ''
Journal of the Royal Statistical Society The ''Journal of the Royal Statistical Society'' is a peer-reviewed scientific journal of statistics. It comprises three series and is published by Wiley for the Royal Statistical Society. History The Statistical Society of London was founded ...
'' * Efron, B., & Tibshirani, R. J. (1993). "An introduction to the bootstrap". New York: Chapman & Hall
software
* *


See also

* Clinical trials *
Empirical Bayesian Empirical Bayes methods are procedures for statistical inference in which the Prior probability, prior probability distribution is estimated from the data. This approach stands in contrast to standard Bayesian probability, Bayesian methods, for ...
* Fisher, Ronald *
Least-angle regression In statistics, least-angle regression (LARS) is an algorithm for fitting linear regression models to high-dimensional data, developed by Bradley Efron, Trevor Hastie, Iain Johnstone and Robert Tibshirani. Suppose we expect a response variable ...
*
Fisher information In mathematical statistics, the Fisher information (sometimes simply called information) is a way of measuring the amount of information that an observable random variable ''X'' carries about an unknown parameter ''θ'' of a distribution that model ...
* Hinkley, David V. *
Likelihood function The likelihood function (often simply called the likelihood) represents the probability of random variable realizations conditional on particular values of the statistical parameters. Thus, when evaluated on a given sample, the likelihood funct ...
*
Observed information In statistics, the observed information, or observed Fisher information, is the negative of the second derivative (the Hessian matrix) of the "log-likelihood" (the logarithm of the likelihood function). It is a sample-based version of the Fisher ...
* Robbins, Herbert *
Sequential analysis In statistics, sequential analysis or sequential hypothesis testing is statistical analysis where the sample size is not fixed in advance. Instead data are evaluated as they are collected, and further sampling is stopped in accordance with a pre- ...
* Stein, Charles


References


External links

* Personal home page: https://efron.ckirby.su.domains
Statistical Science Silver Anniversary issue on Bootstrap, including interview with Efron
* {{DEFAULTSORT:Efron, Bradley 1938 births American statisticians American bioinformaticians Biostatisticians Fellows of the American Statistical Association Living people National Medal of Science laureates MacArthur Fellows People from Saint Paul, Minnesota Presidents of the American Statistical Association Presidents of the Institute of Mathematical Statistics Members of the United States National Academy of Sciences American people of Russian-Jewish descent Stanford University Department of Statistics faculty