1. Categorical Data Analysis;Agresti,1990
2. Blake, C.L., Merz, C.J., 1998. UCI Repository of machine learning databases [http://www.ics.uci.edu/~mlearn/MLRepository.html]. Department of Information and Computer Science, University of California, Irvine, CA.
3. Classification and Regression Trees;Breiman,1984
4. Statistical Consulting;Cabrera,2002
5. Tree-based models;Clark,1992