Abstract
We propose a robust estimation method of gene networks based on microarray gene expression data. It is well-known that microarray data contain a large amount of noise and some outliers that interrupt the estimation of accurate gene networks. In addition, some relationships between genes are nonlinear, and linear models thus are not enough for capturing such a complex structure. In this paper, we utilize the moving boxcel median filter and the residual bootstrap for constructing a Bayesian network in order to attain robust estimation of gene networks. We conduct Monte Carlo simulations to examine the properties of the proposed method. We also analyze Saccharomyces cerevisiae cell cycle data as a real data example.
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Imoto, S., Higuchi, T., Kim, S., Jeong, E., Miyano, S. (2005). Residual Bootstrapping and Median Filtering for Robust Estimation of Gene Networks from Microarray Data. In: Danos, V., Schachter, V. (eds) Computational Methods in Systems Biology. CMSB 2004. Lecture Notes in Computer Science(), vol 3082. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-25974-9_12
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DOI: https://doi.org/10.1007/978-3-540-25974-9_12
Publisher Name: Springer, Berlin, Heidelberg
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