Table 1: Sample training data.

Load kNNatural frequency (Hz) at various damage levels
0%33.33%66.66%83%
P7B1P7CB1P7CB3P7CB4

023.522.5821.3620.75
1023.522.5821.3620.75
2023.522.5821.3620.14
3023.521.9720.7518.92
4022.2821.3619.53
5021.3620.75
6016.48