SPSS Inc. 1989, 2012. Фирменное руководство по работе с модулем "Деревья решений" для IBM SPSS 21.0 — 108 стр. на англ.
Part I: User’s GuideCreating Decision Trees
Tree Editor
Part II: ExamplesData assumptions and requirements
Using Decision Trees to Evaluate Credit Risk
Building a Scoring Model
Missing Values in Tree Models
Appendices:A Sample Files
B Notices