David A. Freedman
David Amiel Freedman (5 March 1938 – 17 October 2008) was Professor of Statistics at the
University of California, Berkeley. He was a distinguished mathematical statistician whose wide-ranging research included the analysis of
martingale inequalities,
Markov processes,
de Finetti's theorem, consistency of
Bayes estimators,
sampling, the
bootstrap, and procedures for testing and evaluating models. He published extensively on methods for
causal inference and the behavior of standard statistical models under non-standard conditions – for example, how
regression models behave when fitted to data from
randomized experiments. Freedman also wrote widely on the application—and misapplication—of statistics in the social sciences, including
epidemiology,
public policy, and
law.
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