other · Figshare · 2015

Stepwise Signal Extraction via Marginal Likelihood

Du, Chao, Chu-Lan Michael Kao, S. C. Kou

Cited by 0Open access

Abstract

This article studies the estimation of a stepwise signal. To determine the number and locations of change-points of the stepwise signal, we formulate a maximum marginal likelihood estimator, which can be computed with a quadratic cost using dynamic programming. We carry out an extensive investigation on the choice of the prior distribution and study the asymptotic properties of the maximum marginal likelihood estimator. We propose to treat each possible set of change-points equally and adopt an empirical Bayes approach to specify the prior distribution of segment parameters. A detailed simulation study is performed to compare the effectiveness of this method with other existing methods. We demonstrate our method on single-molecule enzyme reaction data and on DNA array comparative genomic hybridization (CGH) data. Our study shows that this method is applicable to a wide range of models and offers appealing results in practice. Supplementary materials for this article are available online.

Cite this paper

APA 7

Du, C., Kao, C.-L. M., & Kou, S. C. (2015). Stepwise Signal Extraction via Marginal Likelihood. Figshare. https://doi.org/10.6084/m9.figshare.c.2032280

MLA 9

Du, Chao, et al. “Stepwise Signal Extraction via Marginal Likelihood.” Figshare, 2015, https://doi.org/10.6084/m9.figshare.c.2032280.

Chicago

Du, Chao, Chu-Lan Michael Kao, and S. C. Kou. 2015. “Stepwise Signal Extraction via Marginal Likelihood.” Figshare. https://doi.org/10.6084/m9.figshare.c.2032280.

Harvard

Du, C., Kao, C.-L.M. and Kou, S.C. (2015) ‘Stepwise Signal Extraction via Marginal Likelihood’, Figshare. Available at: https://doi.org/10.6084/m9.figshare.c.2032280.

BibTeX

@misc{du2015stepwise,
  title = {{Stepwise Signal Extraction via Marginal Likelihood}},
  author = {Du, Chao and Kao, Chu-Lan Michael and Kou, S. C.},
  journal = {Figshare},
  year = {2015},
  doi = {10.6084/m9.figshare.c.2032280}
}

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