The Pima Indians Diabetes dataset was donated by Vincent Sigillito. The data were collected by the National Institute of Diabetes and Digestive and Kidney Diseases. Table 21 shows the test costs for the Pima Indians Diabetes dataset. The tests in group A share the cost of $2.10 for collecting blood. The remaining tests were assigned a nominal cost of $1.00. All of the patients were females at least 21 years old of Pima Indian heritage. The class variable has the values 0 (healthy) and 1 (diabetes). Table 22 shows classification costs. The dataset includes 768 cases, with no missing values. In our ten random splits, the training sets had 512 cases and the testing sets had 256 cases.