Return a matrix of orthornomal contrasts.
Code is based on stanova::contr.bayes and corresponding to description
by rouder2012default;textualBayesTools
Usage
contr.orthonormal(n, contrasts = TRUE)
Value
A matrix with n rows and k columns, with k = n - 1 if contrasts = TRUE and k = n
if contrasts = FALSE.
Arguments
n
a vector of levels for a factor, or the number of levels
contrasts
logical indicating whether contrasts should be computed