| Combining the outputs of multiple neural networks has led to substantial improvements in several dii-cult pattern recognition problems. In this article, we introduce and investigate robust combiners, a family of classiiers based on order statistics. We focus our study to the analysis of the decision boundaries, and how these boundaries are aaected by order statistics combiners. In particular,...

PURPOSE The impact of the US Preventive Services Task Force (USPSTF) recommendation that 40-49 year old women should no longer routinely receive screening mammography in November 2009 in different regions of the US is unknown. METHODS We conducted a retrospective cohort study using medical claims from administrative health records from privately insured 40-59 year old women enrolled between 2...

...................................................................................................................................................................................... 6 Acknowledgements ................................................................................................................................................................ 7 Introduction ......................