.onAttach               Print package startup message
calc_entropy            Calculate Shannon's Entropy
calc_payout_dm          Calculate expected payout to the decision maker
calc_payout_obs         Calculate expected payout to the observer
calc_pr_aj_rk           Calculate Pr(a_j|r_k)
calc_pr_guess           Calculate the probability that the observer
                        will try to guess the rule
calc_pr_rk_aj           Calculate Pr(r_k|a_j)
calculate_entropy       Calculate the entropy of each action in the
                        design
calculate_payouts       Calculate payouts
check_design_opt        Check design options
construct_design        Function to create a rule-action matrix
extract_attr            Extract attributes
generate_designs        Generate obfuscation designs
last                    Get the last element of a vector
print_design            Prints the design
print_entropy           Prints the entropy of the different actions
print_payout            Print the payouts
save_design             Save obfuscation designs
