Application of the Classification and Regression Trees for Modeling the Laser Output Power of a Copper Bromide Vapor Laser

Table 2

Descriptive statistics of CuBr laser experimental data.

	Minimum	Maximum	Mean	Std. deviation	Skewness		Kurtosis
	Statistic	Statistic	Statistic	Statistic	Statistic	Std. error	Statistic	Std. error
D (mm)	15.00	58.00	46.59	10.072	−0.809	0.12	1.451	0.25
DR (mm)	4.50	58.00	34.83	18.31	0.265	0.12	−1.602	0.25
PIN (kW)	1.00	5.00	2.10	1.27	1.065	0.12	−0.321	0.25
L (cm)	30.00	200.00	106.59	70.70	0.478	0.12	−1.670	0.25
PL (kW/cm)	5.00	16.67	10.92	2.51	−0.467	0.12	0.183	0.25
PH2 (torr)	0.00	0.80	0.36	0.25	−0.416	0.12	−1.430	0.25
PRF (kHz)	3.20	125.50	23.24	25.69	3.589	0.12	11.530	0.25
PNE (torr)	8.00	250.00	22.56	24.17	6.389	0.12	46.454	0.25
C (nF)	0.33	4.00	1.33	0.61	2.313	0.12	6.233	0.25
TR (°C)	350.00	590.00	478.22	23.25	−1.673	0.12	7.332	0.25
Pout (W)	0.25	120.00	34.024	35.57	0.808	0.12	−0.862	0.25
Valid 𝑁	387