coef_matrix: Return coefficient matrix

In api2lm: Functions and Data Sets for the Book "A Progressive Introduction to Linear Models"

Return coefficient matrix

Description

coef_matrix returns the coefficients element of the summary function, which is a matrix with columns for the estimated coefficients, their standard error, t-statistic and corresponding (two-sided) p-values.

Usage

coef_matrix(object)

Arguments

object

an object of class "lm", usually, a result of a call to lm.

Value

A p \times 4 matrix with columns for the estimated coefficient, its standard error, t-statistic and corresponding (two-sided) p-value. Aliased coefficients are omitted. The additional class coef_matrix is added for custom printing.

Author(s)

Joshua P. French

Examples

## a fitted model
fit <- lm(100/mpg ~ disp + hp + wt + am, data = mtcars)
coef_matrix(fit)
print(coef_matrix(fit), digits = 3)

api2lm documentation built on July 9, 2023, 5:52 p.m.