Table 3.
Top five variables selected from first-order statistics and all variables by Boruta, DALEX, genetic algorithm (GA), least absolute shrinkage and selection operator (LASSO), and recursive feature elimination (RFE) for fruit weight (FW)
| Rank | From first-order statistics | From first- and second-order statistics | ||||
|---|---|---|---|---|---|---|
| Map | Variable | Date | Map | Variable | Date | |
| Boruta | ||||||
| 1 | WDVI | RANGE | 0618 | WDVI | RANGE | 0618 |
| 2 | NDVI | AVE | 0618 | NDVI | AVE | 0618 |
| 3 | WDVI | AVE | 0618 | WDVI | AVE | 0618 |
| 4 | NDVI | AVE | 0626 | WDVI | SA | 0618 |
| 5 | GNDVI | AVE | 0626 | NDVI | AVE | 0626 |
| DALEX | ||||||
| 1 | WDVI | AVE | 0618 | WDVI | SA | 0618 |
| 2 | NDVI | AVE | 0724 | NDVI | AVE | 0626 |
| 3 | WDVI | RANGE | 0618 | NDVI | AVE | 0618 |
| 4 | Plant height | RANGE | 0618 | WDVI | RANGE | 0618 |
| 5 | NDVI | AVE | 0618 | GNDVI | IDM | 0712 |
| GA | ||||||
| 1 | WDVI | RANGE | 0618 | NDVI | IDM | 0716 |
| 2 | NDVI | MAX | 0606 | WDVI | RANGE | 0618 |
| 3 | NDVI | AVE | 0618 | GNDVI | SE | 0724 |
| 4 | NDVI | SD | 0716 | Plant height | Growth Rate | 0530–0605 |
| 5 | NDVI | SD | 0524 | WDVI | MAX | 0606 |
| LASSO | ||||||
| 1 | NDVI | AVE | 0618 | GNDVI | Con | 0618 |
| 2 | Plant height | MAX | 0724 | Plant height | MAX | 0724 |
| 3 | NDVI | RANGE | 0724 | WDVI | SA | 0626 |
| 4 | NDVI | RANGE | 0524 | NDVI | AVE | 0626 |
| 5 | Plant height | SKEW | 0712 | NDVI | Cor | 0712 |
| RFE | RFE | |||||
| 1 | NDVI | AVE | 0618 | NDVI | AVE | 0618 |
| 2 | WDVI | RANGE | 0618 | WDVI | RANGE | 0618 |
| 3 | WDVI | AVE | 0618 | WDVI | AVE | 0618 |
| 4 | – | – | – | NDVI | AVE | 0626 |
| 5 | – | – | – | WDVI | SA | 0618 |