Generate condition probability matrix given clusters and probabilities
gen_pr_matrix_cluster(clusters, treat_probs, simple)A vector of clusters
A vector of treatment (condition 2) probabilities
A boolean for whether the assignment is a random sample assignment (TRUE, default) or complete random assignment (FALSE)
a numeric 2n*2n matrix of marginal and joint condition treatment
probabilities to be passed to the condition_pr_mat argument of
horvitz_thompson.