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Title: Improved robustness in time series analysis of gene expression data by polynomial model based clustering
Authors: Hirsch, M
Tucker, A
Swift, S
Martin, N
Orengo, C
Kellam, P
Liu, X
Issue Date: 2006
Publisher: Springer
Citation: In Berthold, M R., Glen, R. and Fischer, I (ed). Improved Robustness in Time Series Analysis of Gene Expression. Heidelberg: Springer, 2007
Abstract: Microarray experiments produce large data sets that often contain noise and considerable missing data. Typical clustering methods such as hierarchical clustering or partitional algorithms can often be adversely affected by such data. This paper introduces a method to overcome such problems associated with noise and missing data by modelling the time series data with polynomials and using these models to cluster the data. Similarity measures for polynomials are given that comply with commonly used standard measures. The polynomial model based clustering is compared with standard clustering methods under different conditions and applied to a real gene expression data set. It shows significantly better results as noise and missing data are increased.
ISBN: 978-3-540-45767-1
ISSN: 1611-3349
Appears in Collections:Computer Science
Dept of Computer Science Research Papers

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