An empirical study on the improvement of students’ physical fitness and health by college physical education programs based on the background of big data
17 mars 2025
À propos de cet article
Publié en ligne: 17 mars 2025
Reçu: 12 oct. 2024
Accepté: 07 févr. 2025
DOI: https://doi.org/10.2478/amns-2025-0343
Mots clés
© 2025 Qian Hou, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.

Figure 2.

Figure 3.

The last central point vector and counting statistics of each cluster
| Set id | Center point vector | Cluster number | ||||||
|---|---|---|---|---|---|---|---|---|
| A2/kg·m-2 | B2/ml | C2/cm | D2/s | E2/cm | F2/s | G2/per | ||
| 0 | 18.98 | 2538.11 | 16.7 | 193.58 | 8.68 | 218.92 | 40 | 13 |
| 1 | 16.03 | 2494.65 | 12.6 | 178.38 | 8.39 | 234.48 | 39 | 23 |
| 2 | 16.24 | 3278.83 | 14.9 | 180.40 | 9.25 | 241.87 | 31 | 29 |
| 3 | 19.16 | 3128.31 | 16.4 | 207.28 | 7.79 | 230.72 | 33 | 37 |
| 4 | 16.81 | 3166.11 | 14.2 | 210.02 | 8.84 | 238.89 | 33 | 31 |
| 5 | 17.43 | 2536.41 | 15.5 | 147.28 | 9.50 | 227.57 | 38 | 24 |
| 6 | 22.18 | 2805.64 | 17 | 140.18 | 8.66 | 238.10 | 33 | 35 |
| 7 | 16.74 | 2059.28 | 12.6 | 168.02 | 9.18 | 285.42 | 35 | 28 |
| 8 | 20.58 | 2939.92 | 17.5 | 176.07 | 8.12 | 248.71 | 38 | 26 |
| 9 | 19.96 | 2828.51 | 14.3 | 162.75 | 9.80 | 312.13 | 38 | 34 |
Comparison analysis of each indicator results
| Project | N | Pretest | Posttest | P |
|---|---|---|---|---|
| A2/kg·m-2 | 280 | 21.69±3.12 | 21.11±4.80 | 0.062 |
| B2/ml | 280 | 2632.77±552.29 | 2831.07±582.54 | 0.002* |
| C2/cm | 280 | 13.59±7.53 | 16.87±7.04 | 0.066* |
| D2/s | 280 | 167.95±20.13 | 174.50±9.58 | 0.003* |
| E2/cm | 280 | 8.78±1.68 | 8.62±0.96 | 0.024 |
| F2/s | 280 | 246.17±29.98 | 236.36±30.17 | 0.017* |
| G2/per | 280 | 42.11±10.69 | 44.25±6.05 | 0.025 |
