Table 2 Combinations of independent variable groups
Combination No | Order of variable selection | Final number of variables or components |
|---|---|---|
Combination 1 | EO | 40 variables |
Combination 2 | PCA | 51 components |
Combination 3 | EN | 46 variables |
Combination 4 | EO PCA | 37 components |
Combination 5 | EO EN | 27 variables |
Combination 6 | EN PCA | 37 components |
Combination 7 | EO EN PCA | 23 components |