Transcription of Topic 15: Maximum Likelihood Estimation
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Topic 15: Maximum Likelihood Estimation
Topic 15: Maximum Likelihood Estimation . November 1 and 3, 2011. 1 Introduction The principle of Maximum Likelihood is relatively straightforward. As before, we begin with a sample X =. (X1 , .. , Xn ) of random variables chosen according to one of a family of probabilities P . In addition, f (x| ), x = (x1 , .. , xn ) will be used to denote the density function for the data when is the true state of nature. Then, the principle of Maximum Likelihood yields a choice of the estimator as the value for the parameter that makes the observed data most probable.
Introduction to Statistical Methodology Maximum Likelihood Estimation Exercise 3. Check that this is a maximum. Thus, p^(x) = x: In this case the maximum likelihood estimator is also unbiased. Example 4 (Normal data). Maximum likelihood estimation can be applied to a vector valued parameter. For a simple
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