Results of the PCA
| Pre-COVID-19 | Post-COVID-19 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate |
| 1 | 41.112 | 16 | 95.161 | 1.157 | 1 | 33.398 | 16 | 1.494 | 91.821 | ||
| 2 | 51.605 | 10.492 | 17 | 96.084 | 0.923 | 2 | 10.103 | 43.501 | 17 | 1.403 | 93.225 |
| 3 | 59.55 | 7.945 | 18 | 96.85 | 0.766 | 3 | 7.628 | 51.129 | 18 | 1.221 | 94.446 |
| 4 | 65.65 | 6.1 | 19 | 97.489 | 0.639 | 4 | 6.194 | 57.323 | 19 | 0.992 | 95.438 |
| 5 | 70.764 | 5.114 | 20 | 98.043 | 0.554 | 5 | 5.384 | 62.707 | 20 | 0.865 | 96.303 |
| 6 | 74.818 | 4.054 | 21 | 98.523 | 0.481 | 6 | 4.069 | 66.776 | 21 | 0.792 | 97.095 |
| 7 | 78.438 | 3.62 | 22 | 98.953 | 0.43 | 7 | 3.592 | 70.368 | 22 | 0.691 | 97.786 |
| 8 | 81.559 | 3.121 | 23 | 99.27 | 0.317 | 8 | 3.391 | 73.76 | 23 | 0.649 | 98.435 |
| 9 | 83.79 | 2.231 | 24 | 99.506 | 0.236 | 9 | 3.19 | 76.95 | 24 | 0.598 | 99.034 |
| 10 | 85.996 | 2.206 | 25 | 99.706 | 0.2 | 10 | 3.02 | 79.97 | 25 | 0.413 | 99.446 |
| 11 | 87.931 | 1.935 | 26 | 99.873 | 0.167 | 11 | 2.478 | 82.448 | 26 | 0.301 | 99.747 |
| 12 | 89.705 | 1.774 | 27 | 99.985 | 0.111 | 12 | 2.315 | 84.763 | 27 | 0.224 | 99.971 |
| 13 | 91.251 | 1.546 | 28 | 99.994 | 0.009 | 13 | 2.122 | 86.885 | 28 | 0.029 | 100 |
| 14 | 92.635 | 1.384 | 29 | 100 | 0.006 | 14 | 1.788 | 88.673 | 29 | 0 | 100 |
| 15 | 94.003 | 1.368 | 15 | 1.654 | 90.327 | ||||||
| Pre-COVID-19 | Post-COVID-19 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate | No. | Cumulative variance contribution | Growth rate |
| 1 | 41.112 | 16 | 95.161 | 1.157 | 1 | 33.398 | 16 | 1.494 | 91.821 | ||
| 2 | 51.605 | 10.492 | 17 | 96.084 | 0.923 | 2 | 10.103 | 43.501 | 17 | 1.403 | 93.225 |
| 3 | 59.55 | 7.945 | 18 | 96.85 | 0.766 | 3 | 7.628 | 51.129 | 18 | 1.221 | 94.446 |
| 4 | 65.65 | 6.1 | 19 | 97.489 | 0.639 | 4 | 6.194 | 57.323 | 19 | 0.992 | 95.438 |
| 5 | 70.764 | 5.114 | 20 | 98.043 | 0.554 | 5 | 5.384 | 62.707 | 20 | 0.865 | 96.303 |
| 6 | 74.818 | 4.054 | 21 | 98.523 | 0.481 | 6 | 4.069 | 66.776 | 21 | 0.792 | 97.095 |
| 7 | 78.438 | 3.62 | 22 | 98.953 | 0.43 | 7 | 3.592 | 70.368 | 22 | 0.691 | 97.786 |
| 8 | 81.559 | 3.121 | 23 | 99.27 | 0.317 | 8 | 3.391 | 73.76 | 23 | 0.649 | 98.435 |
| 9 | 83.79 | 2.231 | 24 | 99.506 | 0.236 | 9 | 3.19 | 76.95 | 24 | 0.598 | 99.034 |
| 25 | 99.706 | 0.2 | 25 | 0.413 | 99.446 | ||||||
| 11 | 87.931 | 1.935 | 26 | 99.873 | 0.167 | 11 | 2.478 | 82.448 | 26 | 0.301 | 99.747 |
| 12 | 89.705 | 1.774 | 27 | 99.985 | 0.111 | 12 | 2.315 | 84.763 | 27 | 0.224 | 99.971 |
| 13 | 91.251 | 1.546 | 28 | 99.994 | 0.009 | 13 | 2.122 | 86.885 | 28 | 0.029 | 100 |
| 14 | 92.635 | 1.384 | 29 | 100 | 0.006 | 14 | 1.788 | 88.673 | 29 | 0 | 100 |
| 15 | 94.003 | 1.368 | 15 | 1.654 | 90.327 | ||||||
Note(s): The italic data is the number of selected principal components and corresponding variance contribution ratios and growth rate
Source(s): Authors’ own work
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.