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Journal of Industrial and Systems Engineering، جلد ۳، شماره ۱، صفحات ۵۶-۷۱
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عنوان انگلیسی A New Approach to Distribution Fitting: Decision on Beliefs
چکیده انگلیسی مقاله We introduce a new approach to distribution fitting, called Decision on Beliefs (DOB). The objective is to identify the probability distribution function (PDF) of a random variable X with the greatest possible confidence. It is known that f X is a member of = { , , }. 1 m S f L f To reach this goal and select X f from this set, we utilize stochastic dynamic programming and formulate this problem as a special case of Optimal Stopping Problem. The decision is made on the basis of the outcome of a limited number of experiments. A real number, namely, belief is assigned to each candidate by considering the outcome of observations. At each stage and after a random observation, beliefs are updated by applying Bayesian formula and then either one element of S is selected as the desired PDF or another observation is made. At each stage, a PDF from S with the greatest belief is accepted as the desired PDF provided the belief is higher than a least acceptable designated level. We assume the total number of possible observations can not exceed N and a cost is incurred for each observation. Dynamic and nonlinear programming are applied to calculate the least acceptable belief value for each stage. To reduce the search of the optimal solution, the concept of entropy is utilized.
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نویسندگان مقاله علی اشراق |
department of industrial engineering, sharif university of technology, tehran, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شریف (Sharif university of technology)

محمد مدرس |
department of industrial engineering, sharif university of technology, tehran, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شریف (Sharif university of technology)

نشانی اینترنتی http://www.jise.ir/article_4000_0ebb501631041b248635fe2b800c0cd1.pdf
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