Comparison between Hyperspectral Imaging and Chemical Analysis of Polyphenol Oxidase Activity on Fresh-Cut Apple Slices

Table 4

Mean difference between methods and correlation analysis from the Bland–Altman analysis.

Parameter	Value	Parameter	Value
Mean difference	3.7^e−12	t-Ratio	1.8^e−12
Std. error	2.0528	DF	30
Upper 95%	4.1923	Prob > itl	1.0000
Lower 95%	−4.1924	Prob > t	0.5000
N	31	Prob < t	0.5000
Correlation	0.8004