Square these residuals and sum them. The resulting sum is called the residual sum of squares or SS res. The line that best fits the data has the least possible value of SS res. This link has a nice colorful example of these residuals, residual squares, and residual sum of squares.
Example: Find the Linear Regression line through 3,1 , 5,6 , 7,8 by brute force. Learn Practice Download. Have questions on basic mathematical concepts? Become a problem-solving champ using logic, not rules.
Learn the why behind math with our certified experts. How to Find the Slope of a Line? What Does the Slope of a Line Mean? Explore math program. Explore coding program. It only takes a minute to sign up. Connect and share knowledge within a single location that is structured and easy to search. This is how far I have gotten. But dividing the coefficients won't affect the properties of the line in anyway. The following equations represent the same line. Sign up to join this community.
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