mtcars_mat {cpp11armadillo}

Mtcars dataset in matrix form

Description

Reshaped dataframe to test Armadillo linear algebra functions with simple linear models of the form mpg_i = a + b cyl_i or mpg_i = b cyl_i + c_1 cyl4_i + c_2 cyl6_i + c_3 cyl8_i

Usage

mtcars_mat

Format

A list with two matrices: 'y' and 'x', where 'y' is the 'mpg' variable and 'x' is a matrix with the rest of the dataset.

Source

R's 'mtcars' dataset.