References
- Ripley, B. (1994). “Introductory Guide to S-Plus”, unpublished manuscript.
- Spector, P. (1994). An Introduction to S and S-Plus. Duxbury Press, Pacific Grove, CA.
- Venables, W. and Smith, D. (1992). “Notes on S-Plus: A Programming Environment for Data Analysis”, unpublished manuscript.
- Williams, C. (1994). Book Review of “An Introduction to S and S-Plus”. Journal of Quality Technology 26, pp. 322–323.