منابع مشابه
The Gibbs Centroid Sampler
The Gibbs Centroid Sampler is a software package designed for locating conserved elements in biopolymer sequences. The Gibbs Centroid Sampler reports a centroid alignment, i.e. an alignment that has the minimum total distance to the set of samples chosen from the a posteriori probability distribution of transcription factor binding-site alignments. In so doing, it garners information from the f...
متن کاملExplaining the Gibbs Sampler
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متن کاملThe Kernel Gibbs Sampler
We present an algorithm that samples the hypothesis space of kernel classifiers. Given a uniform prior over normalised weight vectors and a likelihood based on a model of label noise leads to a piecewise constant posterior that can be sampled by the kernel Gibbs sampler (KGS). The KGS is a Markov Chain Monte Carlo method that chooses a random direction in parameter space and samples from the re...
متن کاملA phylogenetic Gibbs sampler that yields centroid solutions for cis-regulatory site prediction
MOTIVATION Identification of functionally conserved regulatory elements in sequence data from closely related organisms is becoming feasible, due to the rapid growth of public sequence databases. Closely related organisms are most likely to have common regulatory motifs; however, the recent speciation of such organisms results in the high degree of correlation in their genome sequences, confoun...
متن کاملThe Generalized Gibbs Sampler and the Neighborhood Sampler
The Generalized Gibbs Sampler (GGS) is a recently proposed Markov chain Monte Carlo (MCMC) technique that is particularly useful for sampling from distributions defined on spaces in which the dimension varies from point to point or in which points are not easily defined in terms of co-ordinates. Such spaces arise in problems involving model selection and model averaging and in a number of inter...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 2007
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/gkm265