Table 1.

Analytical results of PLSR for predicting Cd content.

Correlation coefficient of prediction	Verification samples	Predicted content (µg/L)	Nominal Content (µg/L)	Absolute Error (µg/L)	Relative Error (%)
0.94433	1#	30.018	20	10.018	33.37
	2#	56.908	50	6.908	12.14
	3#	81.489	80	1.489	1.83