| obtain_num_permutations {randomizr} | R Documentation |
Obtain the Number of Possible Permutations from a Random Assignment Declaration
obtain_num_permutations(declaration)
declaration |
A random assignment declaration, created by |
a scalar
# complete
declaration <- declare_ra(N = 4)
perms <- obtain_permutation_matrix(declaration)
dim(perms)
obtain_num_permutations(declaration)
# blocked
blocks <- c("A", "A", "B", "B", "C", "C", "C")
declaration <- declare_ra(blocks = blocks)
perms <- obtain_permutation_matrix(declaration)
dim(perms)
obtain_num_permutations(declaration)
# clustered
clusters <- c("A", "B", "A", "B", "C", "C", "C")
declaration <- declare_ra(clusters = clusters)
perms <- obtain_permutation_matrix(declaration)
dim(perms)
obtain_num_permutations(declaration)
# large
declaration <- declare_ra(20)
choose(20, 10)
perms <- obtain_permutation_matrix(declaration)
dim(perms)