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This paper considers and suggests efficient patrol of nurses from analysis result of nurse calls log. As the method of analysis, we consider applying Bayesian network. This is one of probability model that is available for prospects of a phenomenon, rational mind decision and so on. In conventional studies, correlation coefficient was used to examine relation between phenomena. However, we could analyze...
In order to use Bayesian network for a complex world, this paper proposes a framework to simplify the network structure. The framework consists of ??elimination??, ??segmentation?? and ??aggregation??. To verify the framework, this paper discusses the prediction problem on consumer's preferences for the future products. The numerical experimentation shows how the framework could be applied and how...
To extend the sensitivity analysis for DEA (Data Envelopment Analysis), this paper proposes FA-DEA (Frontier Assignment based DEA). The basic idea of FA-DEA is to allow decision maker to decide frontier intentionally while the fundamental DEA and super-DEA decides frontier computationally. Then FA-DEA provides chances to exclude extra-influential DMU (Decision Making Unit) and finds extra-ordinal...
DEA (data envelopment analysis) is a method for evaluating management efficiency of DMU (decision making unit). Focusing on the DMUs which have group relationship, this study proposes MF-DEA (multi-frontier based DEA) model which treats it. The characteristic of the proposed model is that large number of groups can be treated at once by setting frontier of each group. Though the traditional methods...
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