Data Mining of the Thermal Performance of Cool-Pipes in Massive Concrete via In Situ Monitoring

Table 1

Optimal SVM coefficients.

Material	𝜀	Training data set			Testing data set
		𝐶	𝛾	MSE	𝐶	𝛾	MSE
HDPE	0.1	32	32	0.00915854	0.25	8	0.006821
	0.01	32	32	0.00917	2	8	0.006481
	0.001	16	32	0.00916964	2	8	0.006485
	0.0001	32	32	0.00917025	8	8	0.006485
Iron	0.1	32	32	0.00616273	8	0.5	0.003472
	0.01	32	32	0.00585564	0.25	4	0.003306
	0.001	16	32	0.00586528	0.5	4	0.003299
	0.0001	16	32	0.00587013	0.0625	8	0.003301
Optimal results:
HDPE		𝜀=0.01		𝐶=2		𝛾=8
Iron		𝜀=0.001		𝐶=0.5		𝛾=4