Regularization Paths for Huber Loss Regression and Quantile Regression Penalized by Lasso or Elastic-Net (hqreg)
Efficient algorithms for fitting entire regularization paths for Huber loss regression and quantile regression penalized by lasso or elastic-net.

IP Address Geolocation (rgeolocate)
Connectors to online and offline sources for taking IP addresses and geolocating them to country, city, timezone and other geographic ranges. For individual connectors, see the package index.

Split-Population Duration (Cure) Regression (spduration)
Functions for estimating split-duration regression models and \ various associated generic function methods.