10 citations · 20 across the 2 of their papers we have counts for
2 papers
math.ST2011★ 10 cited
Lattices of Graphical Gaussian Models with Symmetries
Helene Gehrmann
In order to make graphical Gaussian models a viable modelling tool when the number of variables outgrows the number of observations, model classes which place equality restrictions…
math.ST2011★ 10 cited
Estimation of means in graphical Gaussian models with symmetries
Helene Gehrmann, Steffen L. Lauritzen
We study the problem of estimability of means in undirected graphical Gaussian models with symmetry restrictions represented by a colored graph. Following on from previous studies,…