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| Content Provider | Springer Nature Link |
|---|---|
| Author | Levine, Richard A. Yu, Zhaoxia Hanley, William G. Nitao, John J. |
| Copyright Year | 2005 |
| Abstract | The Gibbs sampler, being a popular routine amongst Markov chain Monte Carlo sampling methodologies, has revolutionized the application of Monte Carlo methods in statistical computing practice. The performance of the Gibbs sampler relies heavily on the choice of sweep strategy, that is, the means by which the components or blocks of the random vector X of interest are visited and updated. We develop an automated, adaptive algorithm for implementing the optimal sweep strategy as the Gibbs sampler traverses the sample space. The decision rules through which this strategy is chosen are based on convergence properties of the induced chain and precision of statistical inferences drawn from the generated Monte Carlo samples. As part of the development, we analytically derive closed form expressions for the decision criteria of interest and present computationally feasible implementations of the adaptive random scan Gibbs sampler via a Gaussian approximation to the target distribution. We illustrate the results and algorithms presented by using the adaptive random scan Gibbs sampler developed to sample multivariate Gaussian target distributions, and screening test and image data. |
| Starting Page | 177 |
| Ending Page | 196 |
| Page Count | 20 |
| File Format | |
| ISSN | 09434062 |
| Journal | Computational Statistics |
| Volume Number | 20 |
| Issue Number | 1 |
| e-ISSN | 16139658 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2005-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Markov chain Monte Carlo Gaussian approximation adaptive algorithms optimal sweep strategies convergence rate asymptotic risk Statistics Probability and Statistics in Computer Science Probability Theory and Stochastic Processes Economic Theory |
| Content Type | Text |
| Resource Type | Article |
| Subject | Statistics and Probability Statistics, Probability and Uncertainty Computational Mathematics |
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