1. The lattice structure of orthogonal linear models and orthogonal variance component models;Andersson;Scand. J. Statist.,1990
2. Lattice-ordered conditional independence models for missing data;Andersson;Statist. Probab. Lett.,1991
3. Lattice models for conditional independence in a multivariate normal distribution;Andersson;Ann. Statist.,1993
4. Normal linear models with lattice conditional independence restrictions;Andersson,1994
5. On the Markov equivalence of chain graphs, undirected graphs, and acyclic digraphs;Andersson,1995