1. Anderson-Sprecher, R. (1994). Model comparisons and R 2. The American Statistician, 48, 113–117.
2. Anscombe, F. J. (1961). Examination of residuals. In J. Neyman (Ed.), Proceedings of the Fourth Berkeley Symposium on Mathematical Statistics and Probability (pp. 1–31). Berkeley, CA: University of California Press.
3. Anscombe, F. J., & Tukey, J. W. (1963). The examination and analysis of residuals. Technometrics, 5, 141–160.
4. Becker, R. A., Chambers, J. M., & Wilks, A. R. (1988). The new S language a programming environment for data analysis and graphics. Pacific Grove, CA: Wadsworth and Brooks/Cole.
5. Brooks, D. G., Carroll, S. S., & Verdini, W. A. (1988). Characterizing the domain of a regression model. The American Statistician, 42, 187–190.