期刊
BIOINFORMATICS
卷 33, 期 15, 页码 2354-2362出版社
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btx163
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资金
- Ministry of Science and Technology [103-2221-E-151-029-MY3, 104-2221-E-214-035-MY2, 105-2811-E-151-002-]
Motivation: Detecting epistatic interactions in genome-wide association studies (GWAS) is a computational challenge. Such huge numbers of single-nucleotide polymorphism (SNP) combinations limit the some of the powerful algorithms to be applied to detect the potential epistasis in largescale SNP datasets. Approach: We propose a new algorithm which combines the differential evolution (DE) algorithm with a classification based multifactor-dimensionality reduction (CMDR), termed DECMDR. DECMDR uses the CMDR as a fitness measure to evaluate values of solutions in DE process for scanning the potential statistical epistasis in GWAS. Results: The results indicated that DECMDR outperforms the existing algorithms in terms of detection success rate by the large simulation and real data obtained from the Wellcome Trust Case Control Consortium. For running time comparison, DECMDR can efficient to apply the CMDR to detect the significant association between cases and controls amongst all possible SNP combinations in GWAS.
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