1. Breast Cancer: Breast Cancer Data (Restricted Access) 2. Computer Hardware: Relative CPU Performance Data, described in terms of its cycle time, memory size, etc. 3. Contraceptive Method Choice: Dataset is a subset of the 1987 National Indonesia Contraceptive Prevalence Survey. 4. Tic-Tac-Toe Endgame: Binary classification task on possible configurations of tic-tac-toe game 5. Statlog (Shuttle): The shuttle dataset contains 9 attributes all of which are numerical. Approximately 80% of the data belongs to class 1 6. Concrete Compressive Strength: Concrete is the most important material in civil engineering. The concrete compressive strength is a highly nonlinear function of age and ingredients. 7. Individual household electric power consumption: Measurements of electric power consumption in one household with a one-minute sampling rate over a period of almost 4 years. Different electrical quantities and some sub-metering values are available. 8. Daphnet Freezing of Gait: This dataset contains the annotated readings of 3 acceleration sensors at the hip and leg of Parkinson's disease patients that experience freezing of gait (FoG) during walking tasks.
9. Abalone: Predict the age of abalone from physical measurements 10. Auto MPG: Revised from CMU StatLib library, data concerns city-cycle fuel consumption 11. Ecoli: This data contains protein localization sites 12. Mechanical Analysis: Fault diagnosis problem of electromechanical devices; also PUMPS DATA SET is newer version with domain theory and results 13. Nursery: Nursery Database was derived from a hierarchical decision model originally developed to rank applications for nursery schools. 14. Pima Indians Diabetes: From National Institute of Diabetes and Digestive and Kidney Diseases; Includes cost data (donated by Peter Turney) 15. Post-Operative Patient: Dataset of patient features 16. Yeast: Predicting the Cellular Localization Sites of Proteins 17. Energy efficiency: This study looked into assessing the heating load and cooling load requirements of buildings (that is, energy efficiency) as a function of building parameters. 18. Artificial Characters: Dataset artificially generated by using first order theory which describes structure of ten capital letters of English alphabet 19. LED Display Domain: From Classification and Regression Trees book; We provide here 2 C programs for generating sample databases 20. Liver Disorders: BUPA Medical Research Ltd. database donated by Richard S. Forsyth 21. MONK's Problems: A set of three artificial domains over the same attribute space; Used to test a wide range of induction algorithms 22. seeds: Measurements of geometrical properties of kernels belonging to three different varieties of wheat. A soft X-ray technique and GRAINS package were used to construct all seven, real-valued attributes. 23. Yacht Hydrodynamics: Delft data set, used to predict the hydodynamic performance of sailing yachts from dimensions and velocity. 24. Car Evaluation: Derived from simple hierarchical decision model, this database may be useful for testing constructive induction and structure discovery methods. 25. Chess (King-Rook vs. King): Chess Endgame Database for White King and Rook against Black King (KRK). 26. Shuttle Landing Control: Tiny database; all nominal values 27. Mammographic Mass: Discrimination of benign and malignant mammographic masses based on BI-RADS attributes and the patient's age. 28. Acute Inflammations: The data was created by a medical expert as a data set to test the expert system,
which will perform the presumptive diagnosis of two diseases of the urinary system.
29. Vertebral Column: Data set containing values for six biomechanical features used to classify orthopaedic patients into 3 classes (normal, disk hernia or spondilolysthesis) or 2 classes (normal or abnormal). 30. Hayes-Roth: Topic: human subjects study 31. Teaching Assistant Evaluation: The data consist of evaluations of teaching performance; scores are "low", "medium", or "high" 32. 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) 33. Blood Transfusion Service Center: Data taken from the Blood Transfusion Service Center in Hsin-Chu City in Taiwan -- this is a classification problem. 34. Balance Scale: Balance scale weight & distance database 35. Balloons: Data previously used in cognitive psychology experiment; 4 data sets represent different conditions of an experiment 36. Iris: Famous database; from Fisher, 1936 37. Lenses: Database for fitting contact lenses 38. Servo: Data was from a simulation of a servo system 39. Challenger USA Space Shuttle O-Ring: Task: predict the number of O-rings that experience thermal distress on a flight at 31 degrees F given data on the previous 23 shuttle flights 40. EEG Database: This data arises from a large study to examine EEG correlates of genetic predisposition to alcoholism. It contains measurements from 64 electrodes placed on the scalp sampled at 256 Hz 41. Connectionist Bench (Nettalk Corpus): The file "nettalk.data" 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 42. CalIt2 Building People Counts: This data comes from the main door of the CalIt2 building at UCI. 43. Haberman's Survival: Dataset contains cases from study conducted on the survival of patients who had undergone surgery for breast cancer 44. Dodgers Loop Sensor: Loop sensor data was collected for the Glendale on ramp for the 101 North freeway in Los Angeles | 
