A good model should have a low SEC, a low SECV and a high
correlation coefficient but also a small different between SEC and SECV.
P.318
Standard error of cross-validation (SECV or SEP) P.318
A large difference indicates that too many latent variables
are used in the model and noise is modeled. P.318
In Li et al., (2007) Nondestructive measurement and
fingerprint analysis of soluble solid content of tea soft drink based on
Vis/NIR spectroscopy, J. of Food Eng, 82, 316-323.
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