Table 2 Optimized parameters implemented for the GA applied for variable selection selected for FPV, CEF, and MFX full spectral data

Population size

64

64

64

Maximum generations

100

100

100

Mutation rate

0.005

0.005

0.005

% wavelength used at initiation

20

20

20

The number of variables in a window (window width)

2

2

2

Percent of population (% of convergence)

80

80

80

Cross-type

Double

Double

Double

Maximum number of latent variables

2

3

3

Cross-validation

Random

Random

Random

Number of subsets to divide data into for cross-validation

13

13

13

Number of iterations for cross-validation at each generation

2

2

2