Table 1.

Number of examples in each class after preprocessing

	IIa	IIIa	IVa	IId	IIId	IVd	Total
Original dataset	88	80	47	36	53	82	386
Log-z	69	72	87	87	82	77	474
Uniform	73	75	82	84	80	70	464
Normal	75	73	84	86	82	76	476