Table 3.
Principal Component Number | Eigenvalue | Percentage of Variance (%) | Cumulative (%) |
---|---|---|---|
750–1800 cm−1 (14 samples) | |||
1 | 1004.849 | 68.310 | 68.310 |
2 | 184.067 | 12.513 | 80.823 |
3 | 133.050 | 9.044 | 89.868 |
4 | 92.275 | 6.272 | 96.141 |
5 | 32.647 | 2.219 | 98.360 |
750–1800 cm−1 (11 samples) | |||
1 | 1058.583 | 71.963 | 71.963 |
2 | 223.148 | 15.169 | 87.133 |
3 | 147.245 | 10.009 | 97.143 |
4 | 18.230 | 1.239 | 98.382 |
5 | 1058.583 | 71.963 | 71.963 |
750–3600 cm−1 (14 samples) | |||
1 | 1643.594 | 41.182 | 41.182 |
2 | 1311.975 | 32.873 | 74.055 |
3 | 396.217 | 9.927 | 83.983 |
4 | 205.171 | 5.140 | 89.124 |
5 | 141.846 | 3.554 | 92.678 |