Table VI.

Observed Responses and Prediction Errors for Model Validation

X 3	Dependent variables (responses)
	Size (nm)		Zeta potential (mV)		PdI		EE%
	Observed response (mean ± SD)	Prediction error (%)	Observed response (mean ± SD)	Prediction error (%)	Observed response (mean ± SD)	Prediction error (%)	Observed response (mean ± SD)	Prediction error (%)
A	346 ± 35.3	−5.04	28.5 ± 1.98	−4.73	0.305 ± 0.05	−2.24	70.3 ± 3.27	1.35
B	318 ± 58.8	4.26	27.7 ± 2.15	−3.27	0.333 ± 0.04	4.51	84.5 ± 5.31	−4.14
C	289 ± 24.7	−1.02	22.2 ± 2.96	1.83	0.437 ± 0.05	5.39	69.2 ± 4.72	2.09

EE% entrapment efficiency