codingMatrices (version 0.1.1)

mean_contrasts: Display contrasts

Description

A function to display the averaging vector and class mean contrasts implied by a given coding matrix

Usage

mean_contrasts(M)

Arguments

M

Any $n \times (n-1)$ coding matrix.

Value

• The full contrast matrix, solve(cbind(1, M)), suitably annotated and presented in vulgar fractional form, for clarity.

Examples

mean_contrasts(code_helmert_forward(5))
mean_contrasts(code_diff_forward(letters[1:7]))