We were interested m studying the joint distribution of the pair (X, Y), where X and
Y are the yearly frequency of humcanes affecting respecuvely zone 1 and zone 3. To
do that we used the data m table 1, first row m each cell, giving the realizations of
(X, Y) observed during the 93 years from 1899 to 1991 (PARTRAT, 1993)