More general latent variable tree models Some internal nodes can be observed Internal nodes can be continuous Choi et al. JMLR 20I D) Forest @E回 2。 @e@@ @ BsisO G @@ Primary focus of this tutorial the basic ltm AAAl2014 Tutorial Nevin L Zhang HKUSTAAAI 2014 Tutorial Nevin L. Zhang HKUST 6 More General Latent Variable Tree Models  Some internal nodes can be observed  Internal nodes can be continuous  Forest  Primary focus of this tutorial: the basic LTM (Choi et al. JMLR 2011)