نتایج جستجو برای: bayesian rule
تعداد نتایج: 234744 فیلتر نتایج به سال:
The purpose of the present research is to investigate the effective channels of the monetary transmission mechanism in Iran. To do so, we devised a New Keynesian Dynamic Stochastic General Equilibrium Model. In our model, the different types of nominal rigidities are introduced beside all the related structural equations, which are extracted and linearized around a steady state point. Furthermo...
We present a general framework for representing belief-revision rules and use it to characterize Bayess rule as a classical example and Je¤reys rule as a non-classical one. In Je¤reys rule, the input to a belief revision is not simply the information that some event has occurred, as in Bayess rule, but a new assignment of probabilities to some events. Despite their di¤erences, Bayess and J...
Dempster’s Rule is commonly described as an operator for fusing beliefs. While there are different possible interpretations of belief fusion, there is considerable confusion regarding the exact type of belief fusion that Dempster’s rule performs. Many alternative operators for belief fusion have been proposed, where some are based on the same fundamental principle as Dempster’s rule, and others...
We investigate a monotone link between Bayesian confirmation measures and rule support and confidence. In particular, we prove that two confirmation measures enjoying some desirable properties are monotonically dependent on at least one of the classic dimensions being rule support and confidence. As the confidence measure is unable to identify and eliminate non-interesting rules, for which a pr...
Diagnostic score reports linking assessment outcomes to instructional interventions are one of the most requested features of assessment products. There is a body of interesting work done in the last 20 years including Tatsuoka’s rule space method (Tatsuoka, 1983), Haertal and Wiley’s binary skills model (Haertal, 1984; Haertal & Wiley, 1993), and Mislevy, Almond, Yan, and Steinberg’s Bayesian ...
The study of the interplay between belief and probability has recently been posed in a geometric framework, in which belief and plausibility functions are represented as points of simplices in a Cartesian space. All Bayesian approximations of a belief function b form two homogeneous groups, which we call “affine” and “epistemic” families. In this paper, in particular, we focus on relative plaus...
In recent years, Bayesian learning models have been applied to an increasing variety of domains. While such models have been criticized on theoretical grounds, the underlying assumptions and predictions are rarely made concrete and tested experimentally. Here, I use Frank and Tenenbaum's (2011) Bayesian model of rule-learning as a case study to spell out the underlying assumptions, and to confr...
We present a general framework for representing belief-revision rules and use it to characterize Bayess rule as a classical example and Je¤reys rule as a non-classical one. In Je¤reys rule, the input to a belief revision is not simply the information that some event has occurred, as in Bayess rule, but a new assignment of probabilities to some events. Despite their di¤erences, Bayess and J...
Computational models of learning have proved largely successful in characterizing potential mechanisms which allow humans to make decisions in uncertain and volatile contexts. We report here findings that extend existing knowledge and show that a modified reinforcement learning model, which has separate parameters according to whether the previous trial gave a reward or a punishment, can provid...
Several schemes have been proposed for compactly representing multiattribute utility functions, yet none seems to achieve the level of success achieved by Bayesian and Markov models for probability distributions. In an attempt to bridge the gap, we propose a new representation for utility functions which follows its probabilistic analog to a greater extent. Starting from a simple definition of ...
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