Ecoli Multi-class Imbalanced data set 1: Description. An imbalanced version of the Ecoli data set, where there are some classes with a small number of examples while other classes have a large number of examples. 2: Type. Imbalanced 3: Origin. Real world 4: Instances. 336 5: Features. 7 6: Classes. 8 7: Missing values. No 8: IR: 71.50 9: Header. @relation Ecoli-Bal @attribute mcg real [0.0, 0.89] @attribute gvh real [0.16, 1.0] @attribute lip real [0.48, 1.0] @attribute chg real [0.5, 1.0] @attribute aac real [0.0, 0.88] @attribute alm1 real [0.03, 1.0] @attribute alm2 real [0.0, 0.99] @attribute class {cp, im, pp, imU, om, omL, imL, imS} @inputs mcg, gvh, lip, chg, aac, alm1, alm2 @outputs class