http://www.johndcook.com/blog/2008/01/12/unbiased-estimators-can-be-terrible/ The blog of John D. Cook Sat, 11 Feb 2012 22:42:11 -0500 http://wordpress.org/?v=2.8.4 hourly 1 http://www.johndcook.com/blog/2008/01/12/unbiased-estimators-can-be-terrible/comment-page-1/#comment-130204 John Fri, 13 Jan 2012 20:27:59 +0000 http://www.johndcook.com/blog/2008/01/12/unbiased-estimators-can-be-terrible/#comment-130204 Dean: I agree that sentence was sloppy. If you base your guess on more and more data, that's consistency. If you take the average of more and more guesses, each based on a a fixed amount of data, that's unbiasedness. Dean: I agree that sentence was sloppy. If you base your guess on more and more data, that’s consistency. If you take the average of more and more guesses, each based on a a fixed amount of data, that’s unbiasedness.

]]> http://www.johndcook.com/blog/2008/01/12/unbiased-estimators-can-be-terrible/comment-page-1/#comment-130199 Dean Eckles Fri, 13 Jan 2012 20:12:45 +0000 http://www.johndcook.com/blog/2008/01/12/unbiased-estimators-can-be-terrible/#comment-130199 "An estimator is unbiased if over the long run, your guesses converge to the thing you’re estimating." Sounds more like you are defining consistency than unbiasedness. “An estimator is unbiased if over the long run, your guesses converge to the thing you’re estimating.”
Sounds more like you are defining consistency than unbiasedness.

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