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761.
For the balanced variance component model when the intraclass correlation coefficient is of interest, Bayesian analysis is often appropriate. Berger and Bernardo’s (1992a) grouped ordering reference prior approach is used to analyze this model. The reference priors are developed and compared for the posterior inference with real and simulated data. We examine whether the reference priors satisfy the probability-matching criterion. Further, the reference prior is shown to be good in the sense of correct frequentist coverage probability of the posterior quantile. 相似文献
762.
Row-column designs may be considered to have two blocking schemes, namely the treatments by rows and treatments by columns component block designs. The (M,S)-optimality criterion is applied to row-column designs, and che connection between the (M,S)-optimal design and its component block designs is demonstrated. 相似文献
763.
In this paper, conditions for a set of points to form a rotatable design of order four have been worked out. These condi- tions form the basis for obtaining a set of rotatable designs of order four. 相似文献
764.
Stephanie N. Seiler Ph.D. Bradley J. Brummel Ph.D. Kerri L. Anderson M.H.R.I.R. Kyoung Jin Kim Ph.D. Serena Wee Ph.D. C. K. Gunsalus J.D. 《Accountability in research》2013,20(4):217-246
We describe the summative assessment of role-play scenarios that we previously developed to teach central topics in the responsible conduct of research (RCR) to graduate students in science and engineering. Interviews with role-play participants, with participants in a case discussion training session, and with untrained students suggested that role-playing might promote a deeper appreciation of RCR by shifting the focus away from wanting to simply “know the rules.” We also present the results of a think-aloud case analysis study and describe the development of a behaviorally-anchored rating scale (BARS) to assess participants' case analysis performance. 相似文献
765.
Discrete‐choice models are widely used to model consumer purchase behavior in assortment optimization and revenue management. In many applications, each customer segment is associated with a consideration set that represents the set of products that customers in this segment consider for purchase. The firm has to make a decision on what assortment to offer at each point in time without the ability to identify the customer's segment. A linear program called the Choice‐based Deterministic Linear Program (CDLP) has been proposed to determine these offer sets. Unfortunately, its size grows exponentially in the number of products and it is NP‐hard to solve when the consideration sets of the segments overlap. The Segment‐based Deterministic Concave Program with some additional consistency equalities (SDCP+) is an approximation of CDLP that provides an upper bound on CDLP's optimal objective value. SDCP+ can be solved in a fraction of the time required to solve CDLP and often achieves the same optimal objective value. This raises the question under what conditions can one guarantee equivalence of CDLP and SDCP+. In this study, we obtain a structural result to this end, namely that if the segment consideration sets overlap with a certain tree structure or if they are fully nested, CDLP can be equivalently replaced with SDCP+. We give a number of examples from the literature where this tree structure arises naturally in modeling customer behavior. 相似文献
766.
Andreas I. Sashegyi K. Stephen Brown Patrick J. Farrell 《Revue canadienne de statistique》2000,28(1):45-63
Some studies generate data that can be grouped into clusters in more than one way. Consider for instance a smoking prevention study in which responses on smoking status are collected over several years in a cohort of students from a number of different schools. This yields longitudinal data, also cross‐sectionaliy clustered in schools. The authors present a model for analyzing binary data of this type, combining generalized estimating equations and estimation of random effects to address the longitudinal and cross‐sectional dependence, respectively. The estimation procedure for this model is discussed, as are the results of a simulation study used to investigate the properties of its estimates. An illustration using data from a smoking prevention trial is given. 相似文献
767.
The challenge for policy makers and disaster managers is to achieve a balance between two dynamics — resilience and entropy
— in order to develop sustainable risk reduction. Achieving an appropriate balance between resilience and entropy in any given
community requires a systematic exploration of both dynamics. The recent hurricanes that struck Louisiana, Hurricane Katrina
on August 29, 2005 and Hurricane Gustav, on September 1, 2008, offer an unusual opportunity to assess the degree to which
both dynamics operated following Hurricane Katrina. 相似文献
768.
Neighborhood impacts of Atlanta's Olympic Games 总被引:2,自引:0,他引:2
769.
The research note provides an overview of Tibetan refugee settlements in South Asia, viz. in India, Nepal and Bhutan. The note focuses on the residential status of Tibetans and their life and livelihood. Tibetan refugees are viewed as representatives of Tibetan culture and religion in these countries. 相似文献
770.