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Table 2 Performance of the models on test samples that fall inside (ID) and outside (OD) the AD defined by k = 6 and Z = 1.6

From: Machine learning methods to predict the cultivation age of Panacis Quinquefolii Radix

Models MSE of the test set 1 MSE of the test set 2 MSE of the two test sets
ID (20) OD (5) ID (1) OD (16) ID (21) OD (21)
EN 0.288 0.063 0.658 1.414 0.306 1.093
KNN 0.087 0.000 0.246 1.000 0.095 0.762
SVM 0.082 0.020 0.288 1.236 0.092 0.946
MLP 0.020 0.000 0.233 1.324 0.030 1.009
  1. The number of ID or OD samples is given in parentheses