The line of best fit is an output of regression analysis that represents the relationship between two or more variables in a dataset.

Oliver Linton, Second Order Approximation in the Partially Linear Regression Model, Econometrica, Vol. 63, No. 5 (Sep., 1995), pp. 1079-1112 ...

Calculating a Least Squares Regression Line: Equation, Example, Explanation If you want a simple explanation of how to calculate and draw a line of best fit through your data, read on!

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