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This paper dicusses how to formalize medical diagnostic reasoing from the viewpoint of rule reasoning. Characteristics of rules shows that the rule model is closely related with rough set rule model. The important point is that medical diagnostic reasoning is characterized by focusing mechanism, composed of screening and differential diagnosis, which corresponds to upper approximation and lower approximation...
Cross validation method has been widely used for estimation of perfomance of classifiers and statistical method. However, compared with other resampling methods, cross-validation has not yet theoretically investigated since the sampling scheme is based not only on stochasticity but also on set-based processing. This paper proposes a new framework for evaluation of cross-validation methods based on...
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