Variables | PC1 | PC2 | PC3 | PC4 |
SPAD | −0.12 | 0.13 | 0.45 | −0.83 |
MSL | 0.28 | −0.27 | −0.35 | −0.29 |
MRL | 0.23 | −0.27 | −0.07 | 0.18 |
NS | −0.03 | 0.13 | 0.27 | 0.11 |
LS | −0.02 | 0.29 | 0.48 | 0.36 |
WS | 0.09 | 0.59 | −0.39 | −0.09 |
TS | 0.07 | 0.63 | −0.22 | 0.03 |
SDM | 0.50 | 0.05 | −0.08 | −0.18 |
RDM | 0.48 | 0.01 | 0.35 | 0.10 |
TDM | 0.60 | 0.06 | 0.19 | −0.00 |
Cumulative Proportion | 0.25 | 0.48 | 0.61 | 0.82 |