the number of hidden layer nodes

2

3

4

5

6

7

MSE

8.02

7.96

6.92

7.66

6.48

6.85

MAE

2.24

2.21

2.04

2.10

1.97

2.08

the number of hidden layer nodes

8

9

10

11

12

13

MSE

7.08

6.73

6.83

7.09

7.98

8.16

MAE

2.06

2.00

2.07

2.05

2.31

2.23