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 mar 2025
INFORMAZIONI SU QUESTO ARTICOLO
Pubblicato online: 17 mar 2025
Ricevuto: 12 ott 2024
Accettato: 07 feb 2025
DOI: https://doi.org/10.2478/amns-2025-0343
Parole chiave
© 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 |
