Research Article
Prediction Model of Interval Grey Numbers with a Real Parameter and Its Application
Table 1
Concentration of DDT in atmosphere of a certain city in southern China (ng·m−3).
| Time range (TR) | Grey information |
| TR-1 (k = 1) | [110.2, 140.4] | TR-2 (k = 2) | [102.3, 133.5] | TR-3 (k = 3) | [92.4, 128.8] | TR-4 (k = 4) | [87.3, 121.8] | TR-5 (k = 5) | [82.1, 117.3] | TR-6 (k = 6) | [78.3, 115.3] | TR-7 (k = 7) | [72.2, 110.3] | TR-8 (k = 8) | 73.2 |
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