Table 3. Prediction results of RC-PLS models for color (L*, a* and b*) and eggshell strength values.

Parameters	Number of variables	Calibration				Prediction
		rc	RMSEC	slope	offset	rp	RMSEP	slope	offset
L*	5	0.813	2.038	0.661	20.996	0.771	1.967	0.577	26.101
a*	3	0.817	1.251	0.668	5.347	0.806	1.223	0.545	7.538
b*	4	0.773	1.026	0.598	11.911	0.767	1.102	0.558	13.068
eggshell strength	8	0.859	6.564	0.738	0.309	0.841	7.069	0.732	6.350