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Some reflections on uncertainty analysis and management

机译:关于不确定性分析和管理的一些思考

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A guide to quantitative uncertainty analysis and management in industry has recently been issued. The guide provides an overall framework for uncertainty modelling and characterisations, using probabilities but also other uncertainty representations (including the Dempster-Shafer theory). A number of practical applications showing how to use the framework are presented. The guide is considered as an important contribution to the field, but there is a potential for improvements. These relate mainly to the scientific basis and clarification of critical issues, for example, concerning the meaning of a probability and the concept of model uncertainty. A reformulation of the framework is suggested using probabilities as the only representation of uncertainty. Several simple examples are included to motivate and explain the basic ideas of the modified framework.
机译:最近发布了行业定量不确定性分析和管理指南。该指南使用概率以及其他不确定性表示形式(包括Dempster-Shafer理论)提供了不确定性建模和特征描述的总体框架。展示了许多实际应用,展示了如何使用该框架。该指南被认为是对该领域的重要贡献,但仍有改进的潜力。这些主要涉及关键问题的科学依据和澄清,例如,涉及概率的含义和模型不确定性的概念。建议使用概率作为不确定性的唯一代表来重新定义框架。包含几个简单的示例,以激励和解释修改后的框架的基本思想。

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