Research Article
Optimization of Tennis Teaching Resources and Data Visualization Based on Support Vector Machine
Table 7
Analysis of the basic situation of each research direction.
| | | Paper volume | Number of citations | Percentage of citations% | Percentage of citations% | Average citation of paper | Average citations of cited papers |
| | Sports training | 160 | 146 | 90 | 4678 | 29.6 | 33.1 | | Sports biomechanics | 22 | 17 | 78 | 603 | 26.6 | 34.0 | | Sports medicine | 20 | 14 | 71 | 220 | 11.1 | 15.2 | | Sports physiology and biochemistry | 17 | 15 | 89 | 149 | 8.7 | 9.8 | | Sports psychology | 34 | 30 | 89 | 337 | 9.8 | 11.1 | | Competition rules, judging methods and laws | 62 | 61 | 98 | 1683 | 26.8 | 27.2 | | Humanities and sociology of sports | 106 | 91 | 86 | 2201 | 21.4 | 24.9 | | Tennis teaching | 65 | 61 | 94 | 2179 | 34.4 | 36.7 | | Other | 14 | 7 | 40 | 193 | 13.4 | 33.7 | | Total | 507 | 446 | 88 | 12503 | 24.7 | 28.1 |
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