Research – Archived



At least one CCS Member is doing fieldwork for three weeks this summer in the Gulf of Mexico as part of a multi-institution research project to study ocean flow. Funded by BP through the Gulf of Mexico Research Initiative, Dr. Tamay Ozgokmen is the project director of the Consortium for Advanced Research on Transport of Hydrocarbon in the Environment (CARTHE) looking at how the Gulf waters transport things like oil or other...

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A Bayesian Criterion for Clustering Stability

International Society for Bayesian Analysis (ISBA)  The main ensemble methods discussed are Bayes model averaging, bagging, and stacking. There are 5 sections:  1) General overview 2) Neural nets, 3) Trees, 4) Ensemble method, and  5) Applications with real data. At several points in the development standard test, functions are also used to compare methods. ISBA 2012 PowerPoint Slides June 25-29, 2012  |  Kyoto, Japan  ...

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Walking pathways and how promoters can help find new drugs Alexander Kel, Ph.D. Chief Scientific Officer GeneXplain GmbH, Wolfenbuettel, Germany Institute of Systems Biology Ltd., Novosibirsk, Russia Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia Presented by: Alexander Kel, Ph.D. Thursday March 22nd, 2012, 12:00-1:00, CRB 692. Massive changes of expression of hundreds of genes as well as changes in...

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Clustering Stability: Impossibility and Possibility This presentation was addressed to a specialized audience of people in Data Mining and Machine Learning. The talk provided a theory that showed how clustering stability can be used to choose the correct number of clusters, as well as demonstrate the importance of cluster stability and discussed the use of stability for clustering evaluation. Bertrand Salem Clarke (UM), Hoyt Koepke...

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Clustering Impossibility and Stability This presentation was aimed at a general statistical audience and showed the importance of cluster stability (a theorem that in the limit of large dimensions can get complete noninformativity of clustering for finite sample sizes) and discussed the use of stability for clustering evaluation. Bertrand Salem Clarke (UM), Hoyt Koepke (UM and U. Washington) Department of Statistics, Florida State...

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