Table 2 Summary of test R2 in 10-epoch 10-fold Prediction.

From: Low well-being among middle-aged people: inherent or external factors

Sub-dataset

Model

Average test R2 (%)

Maximum test R2 (%)

Minimum test R2 (%)

Standard deviation (%)

Number of predictions for each obs.

Young population

Young population

35.23

36.04

34.50

0.28

10

Middle-age population

Young population

39.83

39.86

39.80

0.02

100

Elderly population

Young population

38.74

38.83

38.60

0.04

100

Young population

Middle-age population

33.14

33.18

33.08

0.02

100

Middle-age population

Middle-age population

40.72

41.53

40.00

0.31

10

Elderly population

Middle-age population

40.77

40.81

40.71

0.02

100

Young population

Elderly population

29.79

29.91

29.66

0.06

100

Middle-age population

Elderly population

37.64

37.72

37.56

0.03

100

Elderly population

Elderly population

40.43

41.69

39.17

0.51

10