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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.9
- 수록면
- 927 - 936 (10page)
- DOI
- 10.7465/jkdi.2022.33.5.927
이용수
초록· 키워드
오류제보하기
Thresholding dynamic process is a powerful statistical tool for modeling structural nonlinear relationships. We here discuss a Bayesian formalism to give rise to a type of threshold estimation in dynamic process with spatial structure. A prior distribution is imposed on the unknown parameter of process model, designed to capture the sparseness of process parameters that is common to most application. For the prior specified, the posterior distribution yields a thresholding procedure. In this paper, we introduce a general approach in which the truncation step is directly implanted to MCMC procedure by thresholding the MCMC outputs. The proposed thresholding approach is applied to the basal topography of the Northeast Ice-Stream in Greenland by using Daubechies wavelet-based analysis.
목차
Abstract
1. Introduction
2. Bayesian thresholding in dynamic process model
3. Truncation and thresholding in MCMC procedure
4. Application
5. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2023-041-000106255