Estimation of Diagonal Elements of Sparse Precision-Matrices (DESP)
Several estimators of the diagonal elements of a sparse precision (inverse covariance) matrix from a sample of Gaussian vectors for a given matrix of estimated marginal regression coefficients. To install package ‘gurobi’, instructions at http://…/gurobi-optimizer and http://…/r_api_overview.html.

Expand Short URLs Using the ‘LongURL’ API (longurl)
Interface to the ‘LongURL’ API to identify known URL shortener services and expand vectors of short URLs with optional error checking and URL validation. See <http://…/> for more information about ‘LongURL’.

Kernel-based Machine Learning Lab (kernlab)
Kernel-based machine learning methods for classification, regression, clustering, novelty detection, quantile regression and dimensionality reduction. Among other methods kernlab includes Support Vector Machines, Spectral Clustering, Kernel PCA, Gaussian Processes and a QP solver.