Ecoli (Imbalanced: 0-1-4-6 vs 5) data set 1: Description. A imbalanced version of the Ecoli data set, where the possitive examples belong to classes cp, im, imU and omL and the negative examples belong to the class om. 2: Type. Imbalanced 3: Origin. Real world 4: Instances. 280 5: Features. 6 6: Classes. 2 7: Missing values. No 8: IR: 13 9: Header. @relation ecoli-0-1-4-6_vs_5 @attribute a1 real [0.0, 89.0] @attribute a2 real [3.0, 88.0] @attribute a3 real [1.0, 48.0] @attribute a5 real [0.0, 88.0] @attribute a6 real [1.0, 94.0] @attribute a7 real [0.0, 99.0] @attribute class {positive, negative} @inputs a1, a2, a3, a5, a6, a7 @outputs class