Knowledge Discovery in Multi-label Phenotype Data


The biological sciences are undergoing an explosion in the amount of available data. New data analysis methods are needed to deal with the data. We present work using KDD to analyse data from mutant phenotype growth experiments with the yeast S. cerevisiae to predict novel gene functions. The analysis of the data presented a number of challenges: multi-class labels, a large number of sparsely populated classes, the need to learn a set of accurate rules (not a complete classification), and a very large amount of missing values. We developed resampling strategies and modified the algorithm C4.5 to deal with these problems. Rules were learnt which are accurate and biologically meaningful. The rules predict function of 83 putative genes of currently unknown function at an estimated accuracy of ≥ 80%.

DOI: 10.1007/3-540-44794-6_4

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@inproceedings{Clare2001KnowledgeDI, title={Knowledge Discovery in Multi-label Phenotype Data}, author={Amanda Clare and Ross D. King}, booktitle={PKDD}, year={2001} }