S3 classes are baked in to R; their influence permeates the language and how we interact with it. This brief talk will introduce S3 classes, and why they are relevant to all R users. We will cover their definition, interpretation, construction, and manipulation.
Andrew Robinson is deputy director of ACERA (http://www.acera.unimelb.edu.au/) and senior lecturer in applied statistics at the University of Melbourne. He is co-author of 2.95 books on R: "Forest Analystics with R (http://www.ms.unimelb.edu.au/~andrewpr/FAwR/index.html)" and "Introduction to Scientific Programming and Simulation Using R (http://www.ms.unimelb.edu.au/spuRs/)", and the hopefully soon to be completed "Methods of Statistical Model Estimation (http://www.crcpress.com/product/isbn/9781439858028)".