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DTSTAMP:20250912T090152Z
DTSTART;TZID=America/New_York:20250916T160000
DTEND;TZID=America/New_York:20250916T170000
URL;TYPE=URI:https://wpiedudev.wpi.edu/news/calendar/events/department-math
 ematical-sciences-discrete-math-seminar-jane-coons-wpi
SUMMARY:Department of Mathematical Sciences Discrete Math Seminar: Jane Coo
 ns, WPI
DESCRIPTION:\n\n\n      \n\n\n\nDepartment of Mathematical Sciences\nDiscre
 te Math Seminar\nTuesday, September 16th, 2025\n4:00PM-4:50PM\nOlin Hall 1
 26\nSpeaker: Jane Coons, WPI\nTitle: Quasi-Independence Models with Ration
 al Maximum Likelihood Estimator\nAbstract: Let X and Y be random variables
 . Quasi-independence models are log-linear models that describe a situatio
 n in which some states of X and Y cannot occur together, but X and Y are o
 therwise independent. We characterize which quasi-independence models have
  rational maximum likelihood estimator, or MLE, based on combinatorial fea
 tures of the bipartite graph associated to the model. In this case, we giv
 e 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.\n
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