1. Abalone: Predict the age of abalone from physical measurements
2. Contraceptive Method Choice: Dataset is a subset of the 1987 National Indonesia Contraceptive Prevalence Survey.
3. Post-Operative Patient: Dataset of patient features
4. 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.