نتایج جستجو برای: g prior
تعداد نتایج: 672997 فیلتر نتایج به سال:
We characterize preferences over acts that can be represented by a utility function and a multiple–prior, such that an act f is preferred to act g if there is a prior under which the expected utility induced by f is higher than that induced by g. These preferences are referred to as justifiable preferences. We further introduce a generalized model of ambiguity that involves a collection of mult...
We present a Bayesian model for area-level count data that uses Gaussian random effects with a novel type of G-Wishart prior on the inverse variance- covariance matrix. Specifically, we introduce a new distribution called the truncated G-Wishart distribution that has support over precision matrices that lead to positive associations between the random effects of neighboring regions while preser...
Mixtures of Zellner’s g-priors have been studied extensively in linear models and have been shown to have numerous desirable properties for Bayesian variable selection and model averaging. Several extensions of g-priors to Generalized Linear Models (GLMs) have been proposed in the literature; however, the choice of prior distribution of g and resulting properties for inference have received con...
Abstract This paper outlines a framework for quantifying the prior’s contribution to posterior inference in presence of prior-likelihood discordance, broader concept than usual notion conflict. We achieve this dual purpose by extending classic prior sample size, M, three directions: (I) estimating M beyond conjugate families; (II) formulating as relative that is function likelihood size k, M(k)...
the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis,a one-way anova experimental design was carried out. 24 sednior students of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inter...
We investigated the effect of L-NAME, a nitric oxide (NO) inhibitor and sodium nitroprusside (SNP), an NO-donating agent, on pilocarpine-induced alterations in salivary flow, mean arterial blood pressure (MAP) and heart rate (HR) in rats. Male Holtzman rats (250-300 g) were implanted with a stainless steel cannula directly into the median preoptic nucleus (MnPO). Pilocarpine (10, 20, 40, 80, 16...
In a Bayesian model with proper prior, all functions of the parameters and data are known. After observing the data, the joint prior speciication of data and parameters can be checked by comparing the posterior of any function of the parameters to its assumed prior. This paper gives checks for missing predictors, goodness-of-t, and over-diiuseness of the prior. The approach is illustrated in a ...
objective(s) single injection of naloxone, a selective antagonist of morphine, prior to the drug conditioning testing was used to investigate on morphine dependence. materials and methods conditioning to morphine (2.5-10 mg/kg, s.c.) was established in adult male wistar rats (weighing 200-250 g) using an unbiased procedure. nitric oxide agents were microinjected into the central amygdala prior ...
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