Table 6.

The average R² and RMSE for the thin-layer models at different IR power levels.

S/No	Model	R 2			RMSE
		500 W	750 W	1000 W	500 W	750 W	1000 W
1	Two-term	0.9993	0.9982	0.9993	0.0062	0.0099	0.0065
2	Approximation of diffusion	0.9989	0.9981	0.9992	0.0080	0.0099	0.0057
3	Midilli	0.9978	0.9980	0.9988	0.0177	0.0104	0.0085
4	Page	0.9977	0.9960	0.9975	0.0109	0.0143	0.0118
5	Logarithmic	0.9977	0.9964	0.9961	0.0107	0.0139	0.0141