Calculate acceptance rate of MCMC chain
count_accept(all_iters, resp)the output object from estimate_thirt_params_mcmc function
a data.frame of length [n_person x n_block] with at least three first variables:
variable person of the format p for person number p,
variable block of the format b for block number b,
variable resp of the format r for response number r
which corresponds to mupp::find_permutation_index().