David H. Freedman

David H. Freedman was one of the distinguished mathematical statisticians as well as a successful author of over 200 articles and 6 books. He was born on March 5, 1939 in Montreal, Canada, and died on October 17, 2008 in Berkeley, California at the age of 70. Freedman was a Canadian citizen by nationality, but has lived in a number of places throughout America on account of his statistical works. Initially, he used to work as a statistics professor at the California University in Berkeley. Being a popular statistician, Freedman worked on the wide range of researches including the analysis of the martingale inequalities, de Finetti’s theorem, sampling, Markov processes, etc. He also worked on the procedures of the testing and evaluation of models. Later, Freedman published several extensive works on the methods of casual interference and statistical model behaviors under the non-standard situations. An example of this research work is the behavior of regression models, while dealing with the data from the random experiments.