Gauss-Markov proof part 1 (advanced)

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  1. Ben Lambert
  2. econometrics
  3. Gauss--Markov Theorem
  4. Gauss
  5. regression
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Комментарии
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Hi. I'm Korean student and studying with your video. Thank you from Korea.

조승현-ci
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Paired with "Deriving Least Squares Estimators - part 2" video to explain where the ybar goes, this is a fab explanation. Thank you!

oyindabello
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In the formula for Beta hat, in the numerator, isn't it y-ybar instead of just y? 

robbiekatz
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du you have a video on this for k coeficciencts?

as in matrice notation:

y = Xβ +e

jacobdietertupactorresbart
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Professor, why sigma(xi-x bar）^2 equals 1? This formula is at the end of the video.

zuzuzutiga
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Can't thank you enough for having made and uploaded these videos. Amazingly helpful!
A question: Why is vi^2 over sxx^2 equal to 1/sxx ?

ahmadghaemi
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isn't the value of Beta hat LSE equal to Cov(x, y)/Var(x). Am I missing something?

skipbrainless
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How we know that β^ is equal to the Σ i=1 to n (vi.yi)?

revolutionarydefeatism