Table 3.
Orthonormal loadings of the first six PCs by our method on the pitprops data
| Variables | PC1 | PC2 | PC3 | PC4 | PC5 | PC6 |
|---|---|---|---|---|---|---|
| topdiam | 0.471 | 0 | −0.16 | 0 | 0 | 0 |
| length | 0.484 | 0 | −0.175 | 0 | 0 | 0 |
| moist | 0 | −0.705 | −0.013 | 0 | 0 | 0 |
| testsg | 0 | −0.708 | 0 | 0 | 0 | 0 |
| ovensg | 0 | 0 | 0.542 | 0 | 0 | −0.744 |
| ringtop | 0.134 | −0.02 | 0.470 | 0 | 0 | 0 |
| ringbut | 0.383 | 0 | 0.253 | 0 | 0 | 0 |
| bowmax | 0.254 | 0 | 0 | 0 | 0 | 0 |
| bowdist | 0.383 | 0 | 0 | 0 | 0 | 0 |
| whorls | 0.410 | 0.007 | 0 | 0 | 0 | 0 |
| clear | 0 | 0 | 0 | 0 | 1 | 0 |
| knots | 0 | 0 | 0 | 1 | 0 | 0 |
| diaknot | 0 | 0 | −0.604 | 0 | 0 | −0.669 |
|
| ||||||
| Variance(%) | 0.301 | 0.146 | 0.146 | 0.077 | 0.077 | 0.061 |
| Cum. var.(%) | 0.301 | 0.447 | 0.593 | 0.671 | 0.748 | 0.809 |