The Department of Mathematics and Statistics hosts Dr. Qin Wang of Virginia Commonwealth University (VCU) for its Fall 2012 Statistics Colloquium this Friday, October 26, from 11am to 12pm in Room 401 of the Mathematic and Psychology (MP) building. Dr. Wang’s contribution for this week is entitled “A general SDR approach via Hellinger integral of order two.” It deals with the concept of sufficient dimension reduction (SDR), which according to the abstract is “a useful tool to study the dependence between a response and a multidimensional predictor.” The focus will be on a new approach to SDR called the Hellinger Integral of …