S4E14 Growth Trajectory Estimates...What's My Line?
Quantitude
Regression and Fairness to Us, You Get a Residual
With regression and fairness to us, you can do it that way. When I teach it, I'm almost like Oprah. You get a residual. It is true. Everybody has a Y. Now everybody has a Y hat and there's a distance between those. And we take Y minus Y hat and get the E's and we gather those all together. That's how we describe how we do this. But if we have complete data, if you give me a covariance matrix of your outcome and your predictors with no raw data at all, I can do everything that we do in the regression model.
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