| Variables | Different classification cases | Value performance |
| X1 | 1 = “Exercise and fitness” 2 = “Plant ornamental category” 3 = “Square leisure class” | 1, 2, 3 only means classification, not assignment |
| X2 | 1 = “Pure bamboo forest” 2 = “pure shrubs” 3 = “deciduous broad-leaved” 4 = “Evergreen broad-leaved” 5 = “Bamboo-broad hybrid” 6 = “Needle-broad hybrid” 7 = “Evergreen deciduous broad-leaved mixed” | 1, 2, 3 only means classification, not assignment |
| X3 | 1 = “Bamboo forest” 2 = “pure shrubs” 3 = “Shrubs - Groundcovers” 4 = “Trees - Groundcovers” 5 = “Trees-shrubs” 6 = “Trees - Shrubs - Groundcovers” | 1, 2, 3 only means classification, not assignment |
| X4 | / | The larger the value, the greater the number of plants in the sample community |
| X5 | / | The larger the value, the larger the average diameter at breast height of the sample community |
| X6 | / | The higher the value, the higher the average height of plants in the sample community |
| X7 | / | The greater the ratio, the greater the number of trees in the sample community |