有效的多真实性无概率贝叶斯推理与自适应计算资源配置
Thomas P Prescott1,2, David J Warne3, Ruth E Baker4
1Alan Turing Institute, London NW1 2DB, United Kingdom.
概括
无概率贝叶斯推理 (LFBI) 算法在计算上可能很昂贵. 本研究引入了一种多忠实性方法,以降低LFBI中的模拟成本,实现参数推理的近乎最佳效率.
科学领域:
- 计算统计学 计算统计学
- 贝叶斯的推理是贝叶斯的推理.
- 随机模型建模 随机模型建模
背景情况:
- 无概率贝叶斯推理 (LFBI) 算法对于复杂的随机模型至关重要,但需要广泛的模拟.
- 在许多实际情况下,高计算成本限制了传统LFBI的可行性.
- 多忠实性方法通过结合更便宜,近似的模型提供了一个潜在的解决方案.
研究的目的:
- 在LFBI的总体框架内证明多忠实技术的适用性.
- 为了在不同的模拟忠实度中获得最佳资源配置的分析结果.
- 为高效的参数推理开发一个自适应的多忠实性LFBI算法.
主要方法:
- 分析结果的推导,以在多忠实模拟中实现最佳的计算资源配置.
- 这些分析结果的实际实施.
- 开发一种自适应算法,学习互忠模型关系并调整资源分配.
主要成果:
- 成功地将多忠实技术应用于一般的LFBI.
- 使用拟议的自适应算法在后期估计中证明近最佳效率.
- 验证对最佳资源配置的分析结果.
结论:
- 多忠实性方法显著降低了LFBI的计算负担.
- 适应式多忠度LFBI算法提供了高效和准确的参数推理.
- 这项工作使得LFBI能够应用于更广泛的计算密集型问题的应用.
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