An introduction to S and S-plus

This guide's rich, concrete examples and step-by step approach make learning S easy and fun. The author, an internationally known S specialist, has been teaching and researching with S for many years. He focuses on data analysis and graphic data exploration and teaches by example the new philosophy of object-oriented analysis while training the student in the syntax and use of the language. The book is intended for graduate and upper-division undergraduate courses in statistics both for statisticians and for other disciplines where S or S-PLUS is used.