Open Access

Table 2

The regression machine learning model results in predicting wine sensory descriptors using NIR absorbance values as input. Abbreviations: R: correlation coefficient; MSE: means squared error.

Stage Samples Observations R Slope MSE
Training 245 4900 0.97 0.93 0.26
Validation 53 1060 0.92 0.89 0.56
Testing 53 1060 0.92 0.88 0.63
Overall 351 7020 0.95 0.91 -

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