Grigorova D. EM ALGORITHM FOR MAXIMUM LIKELIHOOD ESTIMATION OF CORRELATED PROBIT MODEL FOR TWO LONGITUDINAL ORDINAL OUTCOMES. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2017 Dec. 12 [cited 2024 Nov. 22];104:217-32. Available from: https://annual.uni-sofia.bg/index.php/fmi/article/view/47