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Department of Mathematical SciencesDiscrete Math SeminarTuesday, September 16th, 20254:00PM-4:50PMOlin Hall 126Speaker: Jane Coons, WPITitle: Quasi-Independence Models with Rational Maximum Likelihood Estimator Abstract: Let X and Y be random variables. Quasi-independence models are log-linear models that describe a situation in which some states of X and Y cannot occur together, but X and Y are otherwise independent. We characterize which quasi-independence models have rational maximum likelihood estimator, or MLE, based on combinatorial features of the bipartite graph associated to the model. In this case, we give an explicit formula for the maximum likelihood estimate. We also give a substantial introduction to algebraic statistics, which will be accessible to advanced undergraduate students.

Eat pizza, meet writing faculty, chat with other writing students, and learn about writing programs at WPI. We'll also be raffling away some WPI swag. Open to writing students and students who might be interested in pursuing writing at WPI as a major, minor, or HUA depth.Please RSVP through the registration link below if you plan on attending.

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Be well at home while celebrating Wellness Day on September 19th. Drop by the Center for Well-Being or the lobby of Gateway 1 (60 Prescott) starting on Wednesday, September 17th to pick up your Wellness @ Home Kit to help de-stress and relax. Kits will be available September 17-19 or until we run out. Get one before they are gone! Sponsored by the CWB.