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Graph-Regularized Dual Lasso For Robust Eqtl Mapping, Wei Cheng, Xiang Zhang, Zhishan Guo, Yu Shi, Wei Wang
Graph-Regularized Dual Lasso For Robust Eqtl Mapping, Wei Cheng, Xiang Zhang, Zhishan Guo, Yu Shi, Wei Wang
Computer Science Faculty Research & Creative Works
Motivation: As a promising tool for dissecting the genetic basis of complex traits, expression quantitative trait loci (eQTL) mapping has attracted increasing research interest. An important issue in eQTL mapping is how to effectively integrate networks representing interactions among genetic markers and genes. Recently, several Lasso-based methods have been proposed to leverage such network information. Despite their success, existing methods have three common limitations: (i) a preprocessing step is usually needed to cluster the networks; (ii) the incompleteness of the networks and the noise in them are not considered; (iii) other available information, such as location of genetic markers and …