135 citations · 258 across the 8 of their papers we have counts for
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math.ST2007
Graphical methods for efficient likelihood inference in Gaussian covariance models
Mathias Drton, Thomas S. Richardson
In graphical modelling, a bi-directed graph encodes marginal independences among random variables that are identified with the vertices of the graph. We show how to transform a bi-…
math.ST2007★ 135 cited
Likelihood ratio tests and singularities
Mathias Drton
Many statistical hypotheses can be formulated in terms of polynomial equalities and inequalities in the unknown parameters and thus correspond to semi-algebraic subsets of the para…