Learning S-PLUS
- Introduction to S-PLUS (University of Virginia)
- S-PLUS documentation (Insightful website)
- Books about S-PLUS (Insightful website)
- Software and Extensions for S-PLUS (StatLib)
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Introduction to R (PDF)
Written by W.N. Venables, D.M. Smith and the R Development Core Team, this manual is useful for learning how to use the S-PLUS command language, which is nearly identical to R.