نتایج جستجو برای: bayes rule

تعداد نتایج: 172863  

Oil-exporting countries often escalate macroeconomic fluctuations by adopting cyclical fiscal policies. Empirical evidence shows that the main reason of instability in oil-exporting countries is the poor management of oil. In this study, after introducing a small open macroeconomic model with a dual managed floating exchange rate regime and estimating it using quarterly macroeconomic data of Ir...

Journal: :JDIM 2014
Zaixiang Huang Zhongmei Zhou Tianzhong He

The rule conflict is an important issue for associative classification due to a large set of rules. In this paper, a new approach called Associative Classification with Bayes (AC-Bayes) is proposed. To address rule conflicts, AC-Bayes has two distinguished features: (1) Associative classification is improved. (2) Naïve Bayesian model is applied in process of classification. A small set of high ...

2009
Pietro Ortoleva

Despite its normative appeal and widespread use, Bayes’ rule has two well-known limitations: first, it does not predict how agents should react to an information to which they assigned probability zero; second, a sizable empirical evidence documents how agents systematically deviate from its prescriptions by overreacting to information to which they assigned a positive but small probability. By...

2010
Pietro Ortoleva

Despite its normative appeal and widespread use, Bayes’ rule has two well-known limitations: first, it does not predict how agents should react to an information to which they assigned probability zero; second, a sizable empirical evidence documents how agents systematically deviate from its prescriptions by overreacting to information to which they assigned a positive but small probability. By...

2009
Gaurav Shukla Vinod Kumar

Abstract Bayes estimators of the scale parameter of a generalized gamma type model are obtained for different priors. For the proposed prior, Bayes estimator of θ for given p and k=1 coincides with MLE of θ if c=2, whereas Bayes estimator of hazard rate function of θ given p and k coincides with its MLE. Thumb’s rule has been used for constructing a conjugate prior for θ . Bayes estimators of r...

Journal: :J. Economic Theory 2007
Edi Karni

This paper states necessary and sufficient conditions for the existence, uniqueness, and updating according to Bayes’ rule, of subjective probabilities representing individuals’ beliefs. The approach is preference based, and the result is an axiomatic subjective expected utility model of Bayesian decision making under uncertainty with statedependent preferences. The theory provides foundations ...

2013
Milad Kharratzadeh Thomas R. Shultz

We propose a modular neural-network structure for implementing the Bayesian framework for learning and inference. Our design has three main components, two for computing the priors and likelihoods based on observations and one for applying Bayes’ rule. Through comprehensive simulations we show that our proposed model succeeds in implementing Bayesian learning and inference. We also provide a no...

2000
Karim Jamal Shyam Sunder

Jamal and Sunder (1996) showed that the median prices in double auctions populated by zero-intelligence (ZI) traders whose trading limits are set by two biased heuristics tend to converge to the same equilibrium as if their trading limits were set by applying Bayes’ Rule. This note provides an analytical explanation of why the repeated use of biased heuristics approximates Bayes rule. JEL class...

Journal: :IEEE Signal Processing Magazine 2015

2000
R. D. De Roo F. T. Ulaby A. E. El - Rouby A. Y. Nashashibi

The statistical behavior of clutter observed near grazing incidence and at 95 GHz is investigated for the specific cases of bare ground, snow-cover, and for a heterogeneous scene. The bare ground constitutes a homogeneous target under homogeneous conditions and the magnitude of the amplitude is Rayleigh distributed. While the snow-cover is a homogeneous target, the conditions under which it was...

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