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Deciding upon the optimal sample size in advance is a difficult problem in general. Often, the investigator regrets not having drawn a larger sample; in many cases additional observations are done. This implies that the actual sample size is no longer deterministic; hence, even if all sample...
Persistent link: https://www.econbiz.de/10011091204
Traditionally pull production systems are managed through classic control systems such as Kanban, Conwip, or Base stock, but this paper proposes ‘customized’ pull control. Customization means that a given production line is managed through a pull control system that in principle connects...
Persistent link: https://www.econbiz.de/10011091307
Length-biased sampling situations may occur in clinical trials, reliability, queueing models, survival analysis and … population studies where a proper sampling frame is absent.In such situations items are sampled at rate proportional to their … exponential dispersion models which are invariant, up to translations, under various types of length-biased sampling.The approach …
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Many simulation practitioners can get more from their analyses by using the statistical theory on design of experiments (DOE) developed specifically for exploring computer models.In this paper, we discuss a toolkit of designs for simulationists with limited DOE expertise who want to select a...
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sampling a prespecified demanded number of nondefective items at minimum cost.Group testing means that items can be pooled and …
Persistent link: https://www.econbiz.de/10011092013
This paper provides a discussion of the developments in econometric modelling that are designed to deal with the problem of spurious Granger causality relationships that can arise from temporal aggregation.We outline the distortional e ects of using discrete time models that explicitly depend on...
Persistent link: https://www.econbiz.de/10011092014