Mathematical Problems in Engineering

Research Article

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

Table 4

Statistics for a CART model of Pout with 27 terminal nodes and 65 predictors.


Terminal node	Minimum Pout	Maximum Pout	Mean	Observations	Splitting classification rules

1	0.4	7	3.87	116
2	12.8	19	15.43	14
3	5.8	11.5	9.08	6
4	0.25	10.9	7.89	72
5	16.8	30.9	23.68	32
6	23	41	31.4	5
7	40	51	47.15	8
8	51.8	58	55.4	5
9	55	72	62.6	5
10	63	81	71.67	12
11	88	92	89.14	7
12	64	90	76.4	5
13	60	70	67.6	5
14	53	62	57.67	6
15	35	50	44.29	7
16	64	91	78.29	8
17	90	104	98.23	13
18	96	112	105.67	6
19	80	100	88.8	5
20	*102*	*120*	*114.86*	7	*D · PIN > 86 PIN > 3.15 PRF · C ≤ 26.5 PRF ≤ 19.25 PIN · PRF > 76.875*
21	68	98	86.67	6
22	45	80	58.5	6
23	96	102	99.33	6
24	60	76	70.67	6
25	76	90	84.13	8
26	70	85	77.6	5
27	57	77	66.33	6