Individualized markers optimize class prediction of microarray data |
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Authors: | Pavlos Pavlidis Panayiota Poirazi |
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Institution: | (1) Institute of Molecular Biology and Biotechnology (IMBB), Foundation for Research and Technology-Hellas (FORTH), Vassilika Vouton, PO Box 1385, GR-71110, Heraklion, Crete, Greece;(2) Department of Biology, University of Crete, PO Box 2208, GR-71409, Heraklion, Crete, Greece |
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Abstract: | Background Identification of molecular markers for the classification of microarray data is a challenging task. Despite the evident dissimilarity
in various characteristics of biological samples belonging to the same category, most of the marker – selection and classification
methods do not consider this variability. In general, feature selection methods aim at identifying a common set of genes whose
combined expression profiles can accurately predict the category ofallsamples. Here, we argue that this simplified approach is often unable to capture the complexity of a disease phenotype and
we propose an alternative method that takes into account the individuality of each patient-sample. |
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Keywords: | |
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