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1. Julian J. Faraway. Linear Models with R. Chapman & Hall/CRC, Boca Raton, FL, 2004. ISBN 1-584-88425-8. ( URL )
2. john Verzani. Using R for Introductory Statistics. Chapman & Hall/CRC, Boca Raton, FL, 2005. ISBN 1-584-88450-9.
3. The R Project for Statistical Computing. ( URL )
4. David Lane, Rice University. ( URL )
5. The R Graph Gallery. ( URL )