INS and diabetes mellitus: This dataset has 768 instances and 8 attributes (columns or measurements that describe each instance): number of times pregnant (preg); plasma glucose concentration after 2 hours in an oral glucose tolerance test in mg/dL (plas); diastolic blood pressure in mm Hg (pres); triceps skin fold thickness in mm (skin); 2-hour serum insulin in μU/mL (insu); BMI in kg/m2 (mass); diabetes pedigree function (pedi); and age in years (age).