Orthogonal Projection Operator in Least Squares - part 3 @SpartacanUsuals
Orthogonal Projection Operator in Least Squares - part 3  @SpartacanUsuals
Uploaded November 2013 | Updated September 2026, 2 hours ago
This video explains the concept of the Orthogonal Projection Operator in Ordinary Least Squares estimation, and derives its explicit matrix form.

Check out oxbridge-tutor.co.uk/graduate-econometrics-course for course materials, and information regarding updates on each of the courses. Check out ben-lambert.com/econometrics-course-problem-sets-and-data for course materials, and information regarding updates on each of the courses. Quite excitingly (for me at least), I am about to publish a whole series of new videos on Bayesian statistics on youtube. See here for information: ben-lambert.com/bayesian Accompanying this series, there will be a book: amazon.co.uk/gp/product/1473916364/ref=pe_3140701_247401851_em_1p_0_ti
Orthogonal Projection Operator in Least Squares - part 3Two-dimensional discrete distributions: an introductionCausation in econometrics - a simple comparison of group meansComparing traditional versus grammar of graphics approaches to graphingRepresenting homoscedasticity and no autocorrelation in matrix form - part 1Moving Average processes - Stationary and Weakly DependentEstimating the error variance in matrix form - part 2Conclusions and references for grammar of graphicsBLUE estimators in presence of heteroscedasticity - GLS - part 1Random walk not weakly dependentExplaining the difference between confidence and credible intervalsGLS - example in matrix form
Ben Lambert |

Orthogonal Projection Operator in Least Squares - part 3

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