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Monthly Archives: April 2015
Unbiased Estimator of Sample Variance – Vol. 2
Lately I I received some criticism saying that my proof (link to proof) on the unbiasedness of the estimator for the sample variance strikes through its unnecessary length. Well, as I am an economist and love proofs which read like a … Continue reading
Posted in Econometrics, Proof, Statistic
9 Comments
Assumptions of Classical Linear Regression Models (CLRM)
The following post will give a short introduction about the underlying assumptions of the classical linear regression model (OLS assumptions), which we derived in the following post. Given the GaussMarkov Theorem we know that the least squares estimator and are … Continue reading