1. Adler, J. (2010). R in a Nutshell. O’Reilly, Sebastopol, CA.
2. Becker, R. A., Chambers, J. M., and Wilks, A. R. (1988). The New
S Language. Chapman & Hall, London.
3. Chambers, J. M. (1998). Programming with Data. Springer, New York.
4. Chambers, J. M. (2008). Software for Data Analysis: Programming with
R . Springer, New York.
5. Chambers, J. M. and Hastie, T. J. (1992). Statistical Models in
S . Chapman & Hall, London.