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15 Data Sets

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1. Balance Scale: Balance scale weight & distance database

2. Balloons: Data previously used in cognitive psychology experiment; 4 data sets represent different conditions of an experiment

3. Breast Cancer: Breast Cancer Data (Restricted Access)

4. Car Evaluation: Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods.

5. Connectionist Bench (Nettalk Corpus): The file "" contains a list of 20,008 English words, along with a phonetic transcription for each word. The task is to train a network to produce the proper phonemes

6. Hayes-Roth: Topic: human subjects study

7. HIV-1 protease cleavage: The data contains lists of octamers (8 amino acids) and a flag (-1 or 1) depending on whether HIV-1 protease will cleave in the central position (between amino acids 4 and 5).

8. LED Display Domain: From Classification and Regression Trees book; We provide here 2 C programs for generating sample databases

9. Lenses: Database for fitting contact lenses

10. MONK's Problems: A set of three artificial domains over the same attribute space; Used to test a wide range of induction algorithms

11. Nursery: Nursery Database was derived from a hierarchical decision model originally developed to rank applications for nursery schools.

12. Reuters-21578 Text Categorization Collection: This is a collection of documents that appeared on Reuters newswire in 1987. The documents were assembled and indexed with categories.

13. Shuttle Landing Control: Tiny database; all nominal values

14. Syskill and Webert Web Page Ratings: This database contains HTML source of web pages plus the ratings of a single user on these web pages. Web pages are on four seperate subjects (Bands- recording artists; Goats; Sheep; and BioMedical)

15. Tic-Tac-Toe Endgame: Binary classification task on possible configurations of tic-tac-toe game

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