Unsupervised Optimal Discriminant Vector Based Feature Selection Method

Table 3

Class distribution and features of steel plates dataset.

Class	Number of samples	Features
		Number	Name
Pastry	158	1	X_Minimum
Z_Scratch	190	2	X_Maximum
K_Scratch	391	3	Y_Minimum
Stains	72	4	Y_Maximum
Dirtiness	55	5	Pixels_Areas
Bumps	402	6	X_Perimeter
Other_Faults	673	7	Y_Perimeter
		8	Sum_of_Luminosity
		9	Minimum_of_Luminosity
		10	Maximum_of_Luminosity
		11	Length_of_Conveyer
		12	TypeOfSteel_A300
		13	TypeOfSteel_A400
		14	Steel_Plate_Thickness
		15	Edges_Index
		16	Empty_Index
		17	Square_Index
		18	Outside_X_Index
		19	Edges_X_Index
		20	Edges_Y_Index
		21	Outside_Global_Index
		22	LogOfAreas
		23	Log_X_Index
		24	Log_Y_Index
		25	Orientation_Index
		26	Luminosity_Index
		27	SigmoidOfAreas