More on regression (K-A)

Calculating R-squared (K-A)

Covariance and the regression line (K-A)

Proof (part 1) minimizing squared error to regression line (K-A)

Proof (part 2) minimizing squared error to regression line (K-A)

Proof (part 3) minimizing squared error to regression line (K-A)

Proof (part 4) minimizing squared error to regression line (K-A)

R-squared or coefficient of determination (K-A)

Regression line example (K-A)

Second regression example (K-A)

Squared error of regression line (K-A)