Glass Identification (Imbalanced: 6) data set 1: Description. A imbalanced version of the Glass data set, where the possitive examples belong to class 6 and the negative examples belong to the rest. 2: Type. Imbalanced 3: Origin. Real world 4: Instances. 214 5: Features. 9 6: Classes. 2 7: Missing values. No 8: IR: 6.38 9: Header. @relation glass6 @attribute RI real [1.51115, 1.53393] @attribute Na real [10.73, 17.38] @attribute Mg real [0.0, 4.49] @attribute Al real [0.29, 3.5] @attribute Si real [69.81, 75.41] @attribute K real [0.0, 6.21] @attribute Ca real [5.43, 16.19] @attribute Ba real [0.0, 3.15] @attribute Fe real [0.0, 0.51] @attribute Class {positive, negative} @inputs RI, Na, Mg, Al, Si, K, Ca, Ba, Fe @outputs Class