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

Table 3

Statistics for a linear CART model of Pout with 27 terminal nodes and 10 predictors.

Terminal node	Minimum Pout	Maximum Pout	Mean	Observations	Splitting classification rules
1	0.4	2.8	159	17	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2≤0.0465𝑇𝑅≤432
2	0.5	6.2	4.29	82	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2≤0.0465𝑇𝑅>432
3	12.8	19	15.43	14	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2>0.0465𝑇𝑅≤482.5𝐷≤43𝑃𝑁𝐸≤16
4	5.8	11.5	9.08	6	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2>0.0465𝑇𝑅≤482.5𝐷≤43𝑃𝑁𝐸>16; 𝑃𝑁𝐸≤17.5
5	1.6	10.8	6.92	5	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2>0.0465𝑃𝑁𝐸≤17.5𝑇𝑅≤482.5𝐷>43
6	5	10.9	8.33	62	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2>0.0465𝑃𝑁𝐸≤17.5𝑇𝑅>482.5
7	0.25	8.27	3.95	22	𝑃𝐼𝑁≤1.95𝐷𝑅≤30𝑃𝐻2>0.0465𝑃𝑁𝐸>17.5
8	16.8	32	22.94	35	𝑃𝐼𝑁≤1.95𝐷𝑅>30
9	36	51.8	46	11	𝑃𝐼𝑁>1.95𝑃𝐼𝑁≤2.45
10	53	73	63.91	20	𝐶≤1.75𝑃𝐼𝑁>2.45𝑃𝐼𝑁≤2.85
11	70	90	80.33	6	𝑃𝐼𝑁>2.85𝑃𝐼𝑁≤3.15𝐶≤1.45𝑃𝑅𝐹≤16.25
12	88	92	89.2	5	𝑃𝐼𝑁>2.85𝑃𝐼𝑁≤3.15𝐶≤1.45𝑃𝑅𝐹>16.25𝑃𝑅𝐹≤18
13	60	90	74.2	5	𝑃𝐼𝑁>2.85𝑃𝐼𝑁≤3.15𝐶≤1.45𝑃𝑅𝐹>18
14	55	70	63.88	8	𝑃𝐼𝑁>2.85𝑃𝐼𝑁≤3.15𝐶>1.45𝐶≤1.75
15	35	50	44.29	7	𝑃𝐼𝑁>2.45𝑃𝐼𝑁≤3.15𝐶>1.75
16	64	96	80.56	9	𝑃𝐼𝑁>3.15𝐶≤1.75𝑃𝑅𝐹≤14.5
17	90	102	97.83	6	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝑃𝐼𝑁>3.15𝑃𝐼𝑁≤3.75𝐶≤1.15
18	80	94	88.6	5	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝑃𝐼𝑁>3.15𝑃𝐼𝑁≤3.75𝐶>1.15𝐶≤1.45
19	90	104	100	6	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝐶≤1.45𝑃𝐼𝑁>3.75𝑃𝐼𝑁≤4.25
20	76	96	87.33	6	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝑃𝐼𝑁>3.15𝑃𝐼𝑁≤4.25 𝐶>1.45𝐶≤1.75
21	98	112	107.5	6	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝐶≤1.45𝑃𝐼𝑁>4.25𝑃𝐼𝑁≤4.75
22	94	120	113.33	6	PRF > 14.5  PRF ≤ 20.5   C ≤ 1.45   PIN > 4.75
23	85	102	97	9	𝑃𝑅𝐹>14.5𝑃𝑅𝐹≤20.5𝑃𝐼𝑁>4.25𝐶>1.45𝐶≤1.75
24	58	82	68.5	8	𝑃𝐼𝑁>3.15𝐶≤1.75𝑃𝑅𝐹>20.5
25	45	76	63.38	8	𝐶>1.75𝑃𝐼𝑁>3.15𝑃𝐼𝑁≤4.25
26	57	82	73.83	6	𝐶>1.75𝑃𝐼𝑁>4.25𝑃𝐼𝑁≤4.75
27	63	90	80.43	7	𝐶>1.75𝑃𝐼𝑁>4.75