Abstract
Conditions on joint distributions are given under which two variables will be conditionally associated whenever an independence graph does not imply a corresponding conditional independence statement. To this end the notions of parametric cancellation, of stable paths and of quasi-linear models are discussed in some detail.
Citation
Nanny Wermuth. David R. Cox. "On association models defined over independence graphs." Bernoulli 4 (4) 477 - 495, Dec 1998.
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