Extreme Gradient Boosting Regressor Solution for Defy in Drilling of Materials

Table 2

Descriptive statistics of features used in the model.

Feature parameters	Number of count	Mean	Standard deviation (σ)	Minimum	25%	50%	75%	Maximum
Speed	27	1200	499.2302	600	600	1200	1800	1800
Feed	27	0.15	0.041603	0.1	0.1	0.15	0.2	0.2
Angle	27	100	16.64101	80	80	100	120	120
Ra	27	1.172	0.31032	0.8	0.91	1.09	1.34	1.8