Mining gene expression data for positive and negative co-regulated gene clusters
Author(s) -
Liping Ji,
KianLee Tan
Publication year - 2004
Publication title -
bioinformatics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.599
H-Index - 390
eISSN - 1367-4811
pISSN - 1367-4803
DOI - 10.1093/bioinformatics/bth312
Subject(s) - apriori algorithm , association rule learning , data mining , a priori and a posteriori , computer science , gene , uncorrelated , software , association (psychology) , computational biology , biology , genetics , mathematics , statistics , philosophy , epistemology , programming language
Analysis of gene expression data can provide insights into the positive and negative co-regulation of genes. However, existing methods such as association rule mining are computationally expensive and the quality and quantities of the rules are sensitive to the support and confidence values. In this paper, we introduce the concept of positive and negative co-regulated gene cluster (PNCGC) that more accurately reflects the co-regulation of genes, and propose an efficient algorithm to extract PNCGCs.
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