Faster Stata for big data. This packages provides a hash-based implementation of collapse, pctile, xtile, contract, egen, isid, levelsof, duplicates, and unique/distinct using C plugins for a massive speed improvement. This package's aim is to provide a fast implementation of various Stata commands using hashes and C plugins. If you plan to use the plugin extensively, check out the remarks below and the FAQs for caveats and details on the plugin (including some extra features!).