Extract varimax rotation
Examples
# \donttest{
set.seed(42)
theta = rdirichlet(50, 1, k = 3)
phi = rdirichlet(3, 0.1, k = 20)
corpus = draw_corpus(rep(50L, 50), theta, phi)
model = tmfast(corpus, n = 3)
rotation(model, k = 3)
#> [,1] [,2] [,3]
#> [1,] 0.74518686 -0.2724038 0.6086811
#> [2,] 0.07016217 0.9397238 0.3346587
#> [3,] 0.66315445 0.2066769 -0.7193823
# }