Abstract
An application of great interest in microarray data analysis is the identification of a group of genes that show very similar patterns of expression in a data set, and are expected to represent groups of genes that perform common/similar functions, also known as functional modules. Although clustering offers a natural solution to this problem, it suffers from the limitation that it uses all the conditions to compare two genes, whereas only a subset of them may be relevant. Association analysis offers an alternative route for finding such groups of genes that may be co-expressed only over a subset of the experimental conditions used to prepare the data set. The techniques in this field attempt to find groups of data objects that contain coherent values across a set of attributes, in an exhaustive and efficient manner. In this paper, we illustrate how a generalization of the techniques in association analysis for real-valued data can be utilized to extract coherent functional modules from large microarray data sets.
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Pandey, G., Atluri, G., Steinbach, M. et al. Association Analysis Techniques for Discovering Functional Modules from Microarray Data. Nat Prec (2008). https://doi.org/10.1038/npre.2008.2184.1
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DOI: https://doi.org/10.1038/npre.2008.2184.1
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