Gradient Boosted Trees Predictive Models for Surface Roughness in High-Speed Milling in the Steel and Aluminum Metalworking Industry

Table 6

Additional information for each dataset.

Data set	Description of the data
Slots	Maximal number of slots per test piece: 31
	Minimum number of slots per test piece: 15
	Number of experiments (4 variations of ap for each slot): 462
	Number of partial measurements of surface roughness: 1848
Geometries	Maximal number of geometries per test piece: 8
	Minimum number of geometries per test piece: 6
	Number of experiments (2 variations of ae for each geometry): 768
	Number of partial measurements of surface roughness: 1638