TY - RPRT TI - Gradient directed regularization for sparse Gaussian concentration graphs, with applications to inference of genetic networks. AU - Hongzhe Li AU - Jiang Gui PY - 2005 DO - 10.1093/biostatistics/kxj008 UR - https://pubmed.ncbi.nlm.nih.gov/16326758/ ID - 16326758 ER -