Regularized estimation of partial correlation matrices CRAN Task View: gR (http://CRAN.R-project.org/view=gR) The package estimates the matrix of partial correlations based on different regularized regression methods: lasso, adaptive lasso, PLS, and Ridge Regression. In addition, the package provides model selection for lasso, adaptive lasso and Ridge regression based on cross-validation. Software Depends: MASS, glmnet, ppls, Epi, GeneNet Nicole Kraemer <nkraemer@cs.tu-berlin.de> Nicole Kraemer, Juliane Schaefer GPL (>= 2) 2010-01-06 application/tgz http://CRAN.R-project.org/package=parcor