Prediction of Tropical Cyclones’ Characteristic Factors on Hainan Island Using Data Mining Technology

Table 2

The number of OPs in five areas.

Area number	Number of landing; ()	Number of not landing; ()	The ratio of landing
1	537	1031	34.25%
2	855	1389	38.10%
3	788	1514	34.23%
4	378	1070	26.10%
5	340	1419	19.33%