Wisconsin (Imbalanced) data set 1: Description. A imbalanced version of the Wisconsin data set, where the classes has been renamed to positive and negative. Moreover, instances with missing values have been removed. 2: Type. Imbalanced 3: Origin. Real world 4: Instances. 683 5: Features. 9 6: Classes. 2 7: Missing values. Yes 8: IR: 1.86 9: Header. @relation wisconsin @attribute ClumpThickness integer [1, 10] @attribute CellSize integer [1, 10] @attribute CellShape integer [1, 10] @attribute MarginalAdhesion integer [1, 10] @attribute EpithelialSize integer [1, 10] @attribute BareNuclei integer [1, 10] @attribute BlandChromatin integer [1, 10] @attribute NormalNucleoli integer [1, 10] @attribute Mitoses integer [1, 10] @attribute Class {negative,positive} @inputs ClumpThickness, CellSize, CellShape, MarginalAdhesion, EpithelialSize, BareNuclei, BlandChromatin, NormalNucleoli, Mitoses @outputs Class