Practical Skills of Business English Correspondence Writing Based on Data Mining Algorithm

Table 8

Influence of feature selection on classification accuracy.

P/F	0	1	2	3
0	62.3	62.4	52.4	60
1	66	65.4	65.4	64.3
2	61.2	61.6	61.4	59.5
3	65	64.8	64.8	65
4	56.5	55	55	55.8
5	57.3	58	58	58.2
6	55.2	53.8	53.8	54.2
7	57.3	55.8	55.8	57.9