Dermatology Multi-class Imbalanced data set

1: Description.

An imbalanced version of the Dermatology 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.		366
5: Features.		33
6: Classes.			6	
7: Missing values.	Yes
8: IR: 				5.55

9: Header.

@relation dermatology
@attribute a1 integer[0,3]
@attribute a2 integer[0,3]
@attribute a3 integer[0,3]
@attribute a4 integer[0,3]
@attribute a5 integer[0,3]
@attribute a6 integer[0,3]
@attribute a7 integer[0,3]
@attribute a8 integer[0,3]
@attribute a9 integer[0,3]
@attribute a10 integer[0,3]
@attribute a11 integer[0,1]
@attribute a12 integer[0,3]
@attribute a13 integer[0,2]
@attribute a14 integer[0,3]
@attribute a15 integer[0,3]
@attribute a16 integer[0,3]
@attribute a17 integer[0,3]
@attribute a18 integer[0,3]
@attribute a19 integer[0,3]
@attribute a20 integer[0,3]
@attribute a21 integer[0,3]
@attribute a22 integer[0,3]
@attribute a23 integer[0,3]
@attribute a24 integer[0,3]
@attribute a25 integer[0,3]
@attribute a26 integer[0,3]
@attribute a27 integer[0,3]
@attribute a28 integer[0,3]
@attribute a29 integer[0,3]
@attribute a30 integer[0,3]
@attribute a31 integer[0,3]
@attribute a32 integer[0,3]
@attribute a33 integer[0,3]
@attribute a34 integer[0,75]
@attribute class integer[1,6]