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題名 Simple association analysis combining data from trios/sibships and unrelated controls
作者 Lin, Hui-Wen
林惠文
貢獻者 統計學系
關鍵詞 case-control studies;combined association analysis;family-based association analysis;population-based association analysis
日期 2008-03
上傳時間 5-Nov-2015 18:28:30 (UTC+8)
摘要 We consider genetic association analysis that combines data from case-parent trios/sibships and unrelated controls. A general and simple methodology is proposed, using a weighted least-squares approach to combine separate information from the case-parent/case-sibling analysis and the case-unrelated control analysis. The new proposal improves over the existing methods in that it requires no assumptions and estimation on the mating-type distribution. Simulation results show that the new method competes well with the likelihood-based method when the latter is applicable, and achieves substantial power gains over separate analyses in general. Therefore, the proposed combined association analysis can enjoy wide applications, including the multiallele/locus, haplotype, and genome-wide association studies
關聯 Genetic Epidemiology,32(6),520-527
資料類型 article
DOI http://dx.doi.org/10.1002/gepi.20325
dc.contributor 統計學系
dc.creator (作者) Lin, Hui-Wen
dc.creator (作者) 林惠文zh_TW
dc.date (日期) 2008-03
dc.date.accessioned 5-Nov-2015 18:28:30 (UTC+8)-
dc.date.available 5-Nov-2015 18:28:30 (UTC+8)-
dc.date.issued (上傳時間) 5-Nov-2015 18:28:30 (UTC+8)-
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/79348-
dc.description.abstract (摘要) We consider genetic association analysis that combines data from case-parent trios/sibships and unrelated controls. A general and simple methodology is proposed, using a weighted least-squares approach to combine separate information from the case-parent/case-sibling analysis and the case-unrelated control analysis. The new proposal improves over the existing methods in that it requires no assumptions and estimation on the mating-type distribution. Simulation results show that the new method competes well with the likelihood-based method when the latter is applicable, and achieves substantial power gains over separate analyses in general. Therefore, the proposed combined association analysis can enjoy wide applications, including the multiallele/locus, haplotype, and genome-wide association studies
dc.format.extent 189528 bytes-
dc.format.mimetype application/pdf-
dc.relation (關聯) Genetic Epidemiology,32(6),520-527
dc.subject (關鍵詞) case-control studies;combined association analysis;family-based association analysis;population-based association analysis
dc.title (題名) Simple association analysis combining data from trios/sibships and unrelated controls
dc.type (資料類型) articleen
dc.identifier.doi (DOI) 10.1002/gepi.20325
dc.doi.uri (DOI) http://dx.doi.org/10.1002/gepi.20325