Table 4 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 number of fruit (FN)
Rank | From first-order statistics | From first- and second-order statistics | ||||
|---|---|---|---|---|---|---|
Map | Variable | Date | Map | Variable | Date | |
Boruta | Â | Â | Â | Â | Â | Â |
 1 | NDVI | AVE | 0626 | WDVI | RANGE | 0618 |
 2 | GNDVI | AVE | 0626 | NDVI | AVE | 0618 |
 3 | NDVI | MAX | 0618 | WDVI | AVE | 0618 |
 4 | GNDVI | MAX | 0611 | WDVI | SA | 0618 |
 5 | GNDVI | SD | 0626 | NDVI | AVE | 0626 |
DALEX | Â | Â | Â | Â | Â | Â |
 1 | NDVI | RANGE | 0606 | WDVI | IDM | 0618 |
 2 | NDVI | AVE | 0626 | NDVI | RANGE | 0626 |
 3 | NDVI | AVE | 0524 | NDVI | AVE | 0618 |
 4 | NDVI | MAX | 0618 | WDVI | AVE | 0618 |
 5 | NDVI | MAX | 0618 | GNDVI | SA | 0712 |
GA | Â | Â | Â | Â | Â | Â |
 1 | WDVI | SD | 0712 | NDVI | IDM | 0716 |
 2 | NDVI | SD | 0524 | WDVI | RANGE | 0618 |
 3 | WDVI | MAX | 0606 | GNDVI | AVE | 0724 |
 4 | GNDVI | AVE | 0626 | Plant height | Growth rate | 0530–0605 |
 5 | GNDVI | RANGE | 0524 | WDVI | MAX | 0606 |
LASSO | Â | Â | Â | Â | Â | Â |
 1 | GNDVI | MAX | 0611 | GNDVI | Con | 0618 |
 2 | GNDVI | AVE | 0626 | Plant height | MAX | 0724 |
 3 | WDVI | SD | 0606 | WDVI | SA | 0626 |
 4 | GNDVI | AVE | 0712 | NDVI | AVE | 0626 |
 5 | NDVI | MAX | 0606 | NDVI | Cor | 0712 |
RFE | Â | Â | Â | Â | Â | Â |
 1 | GNDVI | AVE | 0626 | NDVI | AVE | 0618 |
 2 | NDVI | AVE | 0626 | WDVI | RANGE | 0618 |
 3 | NDVI | MAX | 0618 | WDVI | AVE | 0618 |
 4 | NDVI | MAX | 0606 | NDVI | AVE | 0626 |
 5 | NDVI | SD | 0626 | WDVI | SA | 0618 |