Elementary Statistics with R

A tutorial on the prediction interval for a multiple linear regression model.

A tutorial on the confidence interval for a multiple linear regression model.

A tutorial on the significance test for a multiple linear regression model.

A tutorial on the adjusted coefficient of determination for a multiple linear regression model.

A tutorial on the coefficient of determination for a multiple linear regression model.

A tutorial on estimated regression equation for a multiple linear regression model.

A multiple linear regression (MLR) model that describes a dependent variable y by independent variables x₁, x₂, ..., x_p (p > 1) is expressed by the equation as follows, where the numbers α and β_k (k = 1, 2, ..., p) are the parameters, and ϵ is the error term.

A tutorial on the normal probability plot for the residual of a simple linear regression model.

A tutorial on the standardized residual of a simple linear regression model.

A tutorial on the residual of a simple linear regression model.