Deriving the Regression Equations Using Algebra
The “least squares” criterion used to create the regression line y = ax + b that fits a set of data points (x1, y1), (x2, y2), ..., (xn yn) is that the sum of the squares of the vertical distances from the points to the line be minimum. See . Figure. 1. This means that we need to find those values of a … ................
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