1. Quadruped Mammals: The file animals.c is a data generator of structured instances representing quadruped animals 2. Lung Cancer: Lung cancer data; no attribute definitions 3. Soybean (Small): Michalski's famous soybean disease database 4. Fertility: 100 volunteers provide a semen sample analyzed according to the WHO 2010 criteria. Sperm concentration are related to socio-demographic data, environmental factors, health status, and life habits 5. Zoo: Artificial, 7 classes of animals 6. Breast Tissue: Dataset with electrical impedance measurements of freshly excised tissue samples from the breast. 7. Echocardiogram: Data for classifying if patients will survive for at least one year after a heart attack 8. Lymphography: This lymphography domain was obtained from the University Medical Centre, Institute of Oncology, Ljubljana, Yugoslavia. (Restricted access) 9. Hepatitis: From G.Gong: CMU; Mostly Boolean or numeric-valued attribute types; Includes cost data (donated by Peter Turney) 10. Parkinsons: Oxford Parkinson's Disease Detection Dataset 11. Breast Cancer Wisconsin (Prognostic): Prognostic Wisconsin Breast Cancer Database 12. Audiology (Standardized): Standardized version of the original audiology database 13. SPECT Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal. 14. SPECTF Heart: Data on cardiac Single Proton Emission Computed Tomography (SPECT) images. Each patient classified into two categories: normal and abnormal. 15. 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 16. Heart Disease: 4 databases: Cleveland, Hungary, Switzerland, and the VA Long Beach 17. Soybean (Large): Michalski's famous soybean disease database 18. Primary Tumor: From Ljubljana Oncology Institute 19. Dermatology: Aim for this dataset is to determine the type of Eryhemato-Squamous Disease. 20. Horse Colic: Well documented attributes; 368 instances with 28 attributes (continuous, discrete, and nominal); 30% missing values 21. Breast Cancer Wisconsin (Diagnostic): Diagnostic Wisconsin Breast Cancer Database 22. ILPD (Indian Liver Patient Dataset): This data set contains 10 variables that are age, gender, total Bilirubin, direct Bilirubin, total proteins, albumin, A/G ratio, SGPT, SGOT and Alkphos. 23. Breast Cancer Wisconsin (Original): Original Wisconsin Breast Cancer Database 24. Cardiotocography: The dataset consists of measurements of fetal heart rate (FHR) and uterine contraction (UC) features on cardiotocograms classified by expert obstetricians. 25. Thyroid Disease: 10 separate databases from Garavan Institute 26. Mushroom: From Audobon Society Field Guide; mushrooms described in terms of physical characteristics; classification: poisonous or edible 27. KEGG Metabolic Relation Network (Directed): KEGG Metabolic pathways modeled as directed relation network. Variety of graphical features presented. 28. KEGG Metabolic Reaction Network (Undirected): KEGG Metabolic pathways modeled as un-directed reaction network. Variety of graphical features presented. 29. Covertype: Forest CoverType dataset | 
