1. Recommenderlabrecommenderlab - Lab for Developing and Testing Recommender Algorithms - R package
2. DbscanDensity Based Clustering of Applications with Noise (DBSCAN) and Related Algorithms - R package
3. ArulesMining Association Rules and Frequent Itemsets with R
4. StreamA framework for data stream modeling and associated data mining tasks such as clustering and classification. - R Package
5. TSPTraveling Salesperson Problem - R package
6. arulesVizVisualizing Association Rules and Frequent Itemsets with R