3 packages on CRAN
1 packages on GitHub
Utilities related to Bitcoin. Unified markets API interface (bitstamp, kraken, btce, bitmarket). Both public and private API calls. Integration of data structures for all markets. Support SSL. Read Rbitcoin documentation (command: ?btc) for more information.
Data Warehouse, Business Intelligence, data integration helpers. Unifies database connectors to DBI, RJDBC, RODBC, csv. Easy managing multiple simultaneous db connections. MDX like queries on cube class object. Data modelling helpers, denormalization of star schema and snowflake schema, basic normalization. And more.
Fast aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast add/modify/delete of columns by group using no copies at all, list columns, friendly and fast character-separated-value read/write. Offers a natural and flexible syntax, for faster development.
R interface for 'H2O', the scalable open source machine learning platform that offers parallelized implementations of many supervised and unsupervised machine learning algorithms such as Generalized Linear Models, Gradient Boosting Machines (including XGBoost), Random Forests, Deep Neural Networks (Deep Learning), Stacked Ensembles, Naive Bayes, Cox Proportional Hazards, K-Means, PCA, Word2Vec, as well as a fully automatic machine learning algorithm (AutoML).