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Table 2 Artemisinin data: average prediction error estimates

From: Reliable estimation of prediction errors for QSAR models under model uncertainty using double cross-validation

Number of test objects

Average selected number of nearest neighbours

ave.PE internal

ave.PE  ± std

ave.PE oracle  ± std

2

3.25

0.56

1.03 ± 0.02

1.02 ± 0.02

12

3.12

0.55

1.07 ± 0.02

1.06 ± 0.02

22

2.96

0.55

1.14 ± 0.02

1.13 ± 0.02

32

2.78

0.54

1.21 ± 0.02

1.20 ± 0.02

42

2.56

0.52

1.30 ± 0.02

1.31 ± 0.02

52

2.32

0.50

1.44 ± 0.02

1.43 ± 0.02