¥Bias = (forecasted occurrences) / (actual occurrences) = (H + F) / (H + M)
¥ranges 0 to infinity;
ideally = 1
¥Probability of detection = H / (H + M)
¥ranges 0 to 1; ideally
= 1
¥False alarm rate (aka probability of false detection) = F / (F + O)
¥ranges 0 to 1; ideally
= 0