Grigorova, Denitsa. “EM ALGORITHM FOR MAXIMUM LIKELIHOOD ESTIMATION OF CORRELATED PROBIT MODEL FOR TWO LONGITUDINAL ORDINAL OUTCOMES”. Ann. Sofia Univ. Fac. Math. and Inf. 104 (December 12, 2017): 217–232. Accessed November 22, 2024. https://annual.uni-sofia.bg/index.php/fmi/article/view/47.