Dempster et al. (1977) define a generalized EM algorithm (abbreviated as a GEM algorithm) as one in which Q( (t+1) , (t) ) ( (t)

Dempster et al. (1977) define a generalized EM algorithm (abbreviated as a GEM algorithm) as one in which Q(θ^(t+1),θ^(t)) ≥(θ^(t),θ^(t)) Give reasons for believing that GEM algorithms converge to the posterior mode.