Question: Application of partial derivatives: best-fit line (linear regression) For example, given the point(1, 2) and the line y = 3x +1 , the vertical distance

Application of partial derivatives: best-fit line (linear regression)

For example, given the point(1, 2) and the liney = 3x +1, the vertical distance is 2 because: thexvalue of the point is 1 and theyvalue of the line whenxis 1 is 4. The difference is 4-2 = 2.

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