R package implementing the Breiman bagging ensemble classifier as described by Opitz & Maclin (http://www.d.umn.edu/~rmaclin/publications/opitz-jair99.pdf) and the boosting ensemble classifier Stagewise Additive Modeling using a Multi-class Exponential loss function (SAMME) created by Zhu et al (http://www.stanford.edu/~hastie/Papers/samme.pdf)