Topic: Polynomial Regression

Plotting Polynomial Predictions Across the Data Range

Polynomial Mean Functions and Basis Terms

Least-Squares Estimation for Polynomial Terms

Interpreting Fourth- and Higher-Degree Terms

Interpreting Centered Quadratic Coefficients

Hierarchy in Polynomial Regression

Extrapolation Risks in Polynomial Regression

End Behavior and Shape Limits of Polynomial Fits

Derivatives and Turning Points in Cubic Fits

Curvature and the Second Derivative