Table 3. Principal components analysis results, indicating the weight of each variable on each PC axis as well as the eigenvalue and % of the variance accounted for by each axis.
PC Axis | ||||
Variable | 1 | 2 | 3 | 4 |
Nest Size | −0.567 | 0.504 | −0.458 | 0.331 |
Prey Capture Web Size | −0.622 | 0.510 | −0.401 | 0.288 |
Distance From Forest Edge | −0.647 | −0.042 | 0.149 | −0.468 |
Canopy Cover | −0.677 | −0.224 | 0.416 | 0.206 |
Forest Height | −0.829 | −0.191 | 0.181 | −0.116 |
Height Above Ground | 0.160 | −0.688 | −0.522 | 0.074 |
DBH (Ord.L) | −0.352 | −0.593 | −0.145 | 0.297 |
DBH (Ord.Q) | 0.107 | 0.142 | 0.507 | 0.462 |
Location on Plant (Ord. L) | −0.381 | −0.350 | −0.275 | −0.310 |
Location on Plant (Ord. Q) | 0.098 | 0.357 | −0.291 | −0.473 |
Instar (Ord.L) | −0.309 | 0.149 | 0.284 | −0.319 |
Instar (Ord.Q) | 0.123 | 0.247 | 0.073 | −0.165 |
Eigenvalue | 2.7 | 1.8 | 1.4 | 1.2 |
% Variance | 22.5 | 15 | 12 | 10 |
The ordinal variables (DBH, location on plant, and instar) are converted to polynomials in this function, and the contribution of both components is shown.