1. Zoo: Artificial, 7 classes of animals 2. Breast Tissue: Dataset with electrical impedance measurements of freshly excised tissue samples from the breast. 3. Pittsburgh Bridges: Bridges database that has original and numeric-discretized datasets 4. Echocardiogram: Data for classifying if patients will survive for at least one year after a heart attack 5. Lymphography: This lymphography domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. (Restricted access) 6. Hepatitis: From G.Gong: CMU; Mostly Boolean or numeric-valued attribute types; Includes cost data (donated by Peter Turney) 7. Wine: Using chemical analysis determine the origin of wines 8. Flags: From Collins Gem Guide to Flags, 1986 9. Parkinsons: Oxford Parkinson's Disease Detection Dataset 10. Breast Cancer Wisconsin (Prognostic): Prognostic Wisconsin Breast Cancer Database 11. Connectionist Bench (Sonar, Mines vs. Rocks): The task is to train a network to discriminate between sonar signals bounced off a metal cylinder and those bounced off a roughly cylindrical rock. 12. Glass Identification: From USA Forensic Science Service; 6 types of glass; defined in terms of their oxide content (i.e. Na, Fe, K, etc) 13. Audiology (Standardized): Standardized version of the original audiology database 14. SPECT Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal. 15. SPECTF Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal. 16. Statlog (Heart): This dataset is a heart disease database similar to a database already present in the repository (Heart Disease databases) but in a slightly different form 17. Soybean (Large): Michalski's famous soybean disease database 18. Primary Tumor: From Ljubljana Oncology Institute 19. Ionosphere: Classification of radar returns from the ionosphere 20. Libras Movement: The data set contains 15 classes of 24 instances each. Each class references to a hand movement type in LIBRAS (Portuguese
name 'LÍngua BRAsileira de Sinais', oficial brazilian signal language). 21. Dermatology: Aim for this dataset is to determine the type of Eryhemato-Squamous Disease. 22. Horse Colic: Well documented attributes; 368 instances with 28 attributes (continuous, discrete, and nominal); 30% missing values 23. Congressional Voting Records: 1984 United Stated Congressional Voting Records; Classify as Republican or Democrat 24. Cylinder Bands: Used in decision tree induction for mitigating process delays known as "cylinder bands" in rotogravure printing 25. Meta-data: Meta-Data was used in order to give advice about which classification method is appropriate for a particular dataset (taken from results of Statlog project). 26. Breast Cancer Wisconsin (Diagnostic): Diagnostic Wisconsin Breast Cancer Database 27. Japanese Vowels: This dataset records 640 time series of 12 LPC cepstrum coefficients taken from nine male speakers. 28. Credit Approval: This data concerns credit card applications; good mix of attributes 29. Statlog (Australian Credit Approval): This file concerns credit card applications. This database exists elsewhere in the repository (Credit Screening Database) in a slightly different form 30. Breast Cancer Wisconsin (Original): Original Wisconsin Breast Cancer Database 31. Annealing: Steel annealing data 32. Statlog (Vehicle Silhouettes): 3D objects within a 2D image by application of an ensemble of shape feature extractors to the 2D silhouettes of the objects. 33. Statlog (German Credit Data): This dataset classifies people described by a set of attributes as good or bad credit risks. Comes in two formats (one all numeric). Also comes with a cost matrix | 
