Heart Disease - Cleveland (Imbalanced: 0 vs 4) data set 1: Description. A imbalanced version of the Cleveland data set, where the possitive examples belong to class 0 and the negative examples belong to the class 4. 2: Type. Imbalanced 3: Origin. Real world 4: Instances. 177 5: Features. 13 6: Classes. 2 7: Missing values. No 8: IR: 12,62 9: Header. @relation cleveland-0_vs_4 @attribute age real [29.0, 77.0] @attribute sex real [0.0, 1.0] @attribute cp real [1.0, 4.0] @attribute trestbps real [94.0, 180.0] @attribute chol real [126.0, 564.0] @attribute fbs real [0.0, 1.0] @attribute restecg real [0.0, 2.0] @attribute thalach real [96.0, 202.0] @attribute exang real [0.0, 1.0] @attribute oldpeak real [0.0, 4.4] @attribute slope real [1.0, 3.0] @attribute ca real [0.0, 3.0] @attribute thal real [3.0, 7.0] @attribute num {positive, negative} @inputs age, sex, cp, trestbps, chol, fbs, restecg, thalach, exang, oldpeak, slope, ca, thal @outputs num