TABLE 3.
Results of a PGLS relating NDVI to chroma (S1U‐R) S1U (300–400 nm), S1V (300–415 nm), S1B (400–510 nm), S1G (510–605 nm), S1Y (550–625 nm), S1R (605–700 nm) and hue (H1) for male colour.
| Estimate | Std. error | t‐val. | p‐val. | p‐val. Cor. | |
|---|---|---|---|---|---|
| Crown | |||||
| S1U_1 | −0.20502 | 0.410942 | −0.49889 | .619225 | .785422 |
| S1V_1 | −0.23391 | 0.465425 | −0.50258 | .616643 | .785422 |
| S1B_1 | 0.003279 | 0.290269 | 0.011297 | .991014 | .991014 |
| S1G_1 | −0.36096 | 0.286529 | −1.25976 | .211418 | .563782 |
| S1Y_1 | −0.36105 | 0.205818 | −1.75424 | .083219 | .37119 |
| S1R_1 | 0.556487 | 0.679579 | 0.818869 | .415294 | .785422 |
| H1 | −242.924 | 601.2026 | −0.40406 | .687244 | .785422 |
| B2 | −32.1876 | 18.92102 | −1.70116 | .092798 | .37119 |
| Mantle | |||||
| S1U_1 | −0.06367 | 0.296053 | −0.21505 | .830275 | .984182 |
| S1V_1 | −0.03049 | 0.32522 | −0.09376 | .925534 | .984182 |
| S1B_1 | −0.0034 | 0.170868 | −0.01989 | .984182 | .984182 |
| S1G_1 | −0.42967 | 0.316054 | −1.35947 | .177818 | .71127 |
| S1Y_1 | −0.36023 | 0.196498 | −1.83323 | .070488 | .563908 |
| S1R_1 | 0.493343 | 0.563292 | 0.875822 | .383749 | .984182 |
| H1 | 10.39962 | 323.4948 | 0.032148 | .974434 | .984182 |
| B2 | 2.543788 | 18.31504 | 0.138891 | .889886 | .984182 |
| Throat | |||||
| S1U_1 | −0.79425 | 0.358183 | −2.21745 | .02943 | .117719 |
| S1V_1 | −0.96541 | 0.413689 | −2.33365 | .022125 | .117719 |
| S1B_1 | −0.43688 | 0.287014 | −1.52215 | .131915 | .150761 |
| S1G_1 | 0.660207 | 0.359793 | 1.834963 | .070228 | .150761 |
| S1Y_1 | 0.394411 | 0.256531 | 1.537478 | .128122 | .150761 |
| S1R_1 | 0.569451 | 0.599066 | 0.950564 | .344689 | .344689 |
| H1 | 872.0372 | 485.5759 | 1.795883 | .076289 | .150761 |
| B2 | −56.9959 | 35.40111 | −1.61 | .111336 | .150761 |
| Breast band 1 | |||||
| S1U_1 | 0.20102 | 0.341278 | 0.589022 | .557506 | .920269 |
| S1V_1 | 0.218031 | 0.387428 | 0.562766 | .575168 | .920269 |
| S1B_1 | −0.00336 | 0.405575 | −0.00828 | .993417 | .993417 |
| S1G_1 | −0.04375 | 0.262114 | −0.16691 | .867864 | .991844 |
| S1Y_1 | −0.18204 | 0.231233 | −0.78727 | .433451 | .920269 |
| S1R_1 | −0.15693 | 0.609993 | −0.25727 | .797635 | .991844 |
| H1 | −842.546 | 372.6755 | −2.2608 | .026488 | .211903 |
| B2 | −30.551 | 31.09186 | −0.9826 | .328764 | .920269 |
| Breast band 2 | |||||
| S1U_1 | −0.41209 | 0.352677 | −1.16847 | .246088 | .410768 |
| S1V_1 | −0.49905 | 0.39753 | −1.25538 | .212995 | .410768 |
| S1B_1 | −0.44279 | 0.302448 | −1.46401 | .147111 | .410768 |
| S1G_1 | 0.021165 | 0.220733 | 0.095886 | .923851 | .923851 |
| S1Y_1 | 0.138937 | 0.192156 | 0.723041 | .471763 | .539158 |
| S1R_1 | 0.828585 | 0.613605 | 1.350357 | .180709 | .410768 |
| H1 | −531.226 | 465.0434 | −1.14232 | .25673 | .410768 |
| B2 | −27.5928 | 35.83644 | −0.76997 | .443588 | .539158 |
| Belly | |||||
| S1U_1 | −0.57239 | 0.323127 | −1.77142 | .080299 | .128479 |
| S1V_1 | −0.67222 | 0.35957 | −1.86952 | .06521 | .128479 |
| S1B_1 | −0.62227 | 0.254694 | −2.44321 | .016759 | .067036 |
| S1G_1 | −0.04378 | 0.218723 | −0.20017 | .841855 | .841855 |
| S1Y_1 | 0.132805 | 0.166618 | 0.797059 | .427776 | .570368 |
| S1R_1 | 1.232586 | 0.571412 | 2.15709 | .034 | .090667 |
| H1 | 1072.302 | 315.1368 | 3.402656 | .001045 | .008358 |
| B2 | −22.8643 | 42.62927 | −0.53635 | .593203 | .677947 |
Note: Significant (p < .05) values are shown in bold.