Nick Street - Colloquium Speaker

Henry B. Tippie Research Professor of Business Analytics and Associate Dean for Research and PhD Programs, Tippie College of Business, University of Iowa
Thursday, November 4, 2021 - 3:30pm
Colloquium Title: 
Inverse Classification: Better Algorithms for Better Decision Making
Talk at 3:35 pm in 61 SH


This talk reviews the work of our group on the problem of inverse classification, i.e., the perturbation of a test case to minimize its posterior probability of an undesirable predicted class label, such as the predicted onset of a disease. Starting from exhaustive search on a k-nearest neighbor classifier, we develop mathematical optimization models to handle both smooth classifiers (e.g., SVMs) and general non-smooth classifiers (e.g., random forests). The ideas are further extended to predictions with longitudinal data. Results are applied to recommendation systems for patient risk minimization, incorporating a realistic and customizable cost model.


Topic: Colloquia: Department of Statistics and Actuarial Science, The University of Iowa

Time: November 4, 2021 03:35 PM Central Time (US and Canada)

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Meeting ID: 989 2869 3758