Table 3 Evaluation of the quality prediction models of kimchi cabbages stored under PUCA conditions

Variety Treatment Quality parameter R21) R 2 adj 2) Af 3) Bf 4) RMSE5)
Summer kimchi cabbage Control Storage period 0.99 0.99 1.11 1.06 22.20
Weight loss 0.98 0.98 1.09 0.95 0.47
Reducing sugar content 0.86 0.86 1.02 1.00 0.35
Moisture content 0.99 0.99 1.00 1.00 0.12
PUCA Storage period 0.98 0.98 1.26 1.15 23.13
Weight loss 0.94 0.94 1.35 0.74 0.16
Reducing sugar content 0.43 0.43 1.02 1.00 0.46
Moisture content 0.77 0.66 1.00 1.00 0.12
Winter kimchi cabbage Control Storage period 0.99 0.97 1.09 1.05 4.90
Weight loss 0.99 0.99 1.13 0.88 0.45
Reducing sugar content 0.63 0.63 1.05 1.01 1.46
Moisture content 0.97 0.97 1.00 1.00 0.32
PUCA Storage period 0.95 0.94 1.09 0.94 9.19
Weight loss 0.97 0.97 1.15 1.12 0.11
Reducing sugar content 0.56 0.42 1.03 1.01 0.88
R 2: Coefficient of determination.
R 2 adj : Adjusted coefficient of determination.
Af: Accuracy factor.
Bf: Bias factor.
RMSE: Root mean squared error.