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pro vyhledávání: '"Dahl, David A."'
We propose and demonstrate an alternate, effective approach to simple slice sampling. Using the probability integral transform, we first generalize Neal's shrinkage algorithm, standardizing the procedure to an automatic and universal starting point:
Externí odkaz:
http://arxiv.org/abs/2407.12608
Although exchangeable processes from Bayesian nonparametrics have been used as a generating mechanism for random partition models, we deviate from this paradigm to explicitly incorporate clustering information in the formulation of our random partiti
Externí odkaz:
http://arxiv.org/abs/2312.17716
Feature allocation models postulate a sampling distribution whose parameters are derived from shared features. Bayesian models place a prior distribution on the feature allocation, and Markov chain Monte Carlo is typically used for model fitting, whi
Externí odkaz:
http://arxiv.org/abs/2207.13824
Autor:
Dahl, David B.
This paper complements "Writing R Extensions," the official guide for writing R extensions, for those interested in developing R packages using Rust. It highlights idiosyncrasies of R and Rust that must be addressed by any integration and describes h
Externí odkaz:
http://arxiv.org/abs/2108.07179
We propose the attraction Indian buffet distribution (AIBD), a distribution for binary feature matrices influenced by pairwise similarity information. Binary feature matrices are used in Bayesian models to uncover latent variables (i.e., features) th
Externí odkaz:
http://arxiv.org/abs/2106.05403
Hierarchical and k-medoids clustering are deterministic clustering algorithms based on pairwise distances. Using these same pairwise distances, we propose a novel stochastic clustering method based on random partition distributions. We call our metho
Externí odkaz:
http://arxiv.org/abs/2106.02760
We propose a randomized greedy search algorithm to find a point estimate for a random partition based on a loss function and posterior Monte Carlo samples. Given the large size and awkward discrete nature of the search space, the minimization of the
Externí odkaz:
http://arxiv.org/abs/2105.04451
We consider the task of modeling a dependent sequence of random partitions. It is well-known that a random measure in Bayesian nonparametrics induces a distribution over random partitions. The community has therefore assumed that the best approach to
Externí odkaz:
http://arxiv.org/abs/1912.11542
Akademický článek
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Autor:
Dahl, David Lebovitch, author
Publikováno v:
“The Tragic Couple”: Encounters Between Jews and Jesuits. 169:217-231
