From: Mining morphometrics and age from past survey photographs
Explanatory variable (ratio) | Cubic spline | Value | Standard error | DF | p value |
---|---|---|---|---|---|
Tusk length: body length | 1 | 0.060 | 0.071 | 43 | 0.399 |
2 | 0.330 | 0.169 | 43 | 0.058 | |
3 | 0.277 | 0.071 | 43 | < 0.001 | |
Tusk length: body height | 1 | 0.165 | 0.046 | 40 | 0.001* |
2 | 0.377 | 0.118 | 40 | 0.003* | |
3 | 0.340 | 0.047 | 40 | < 0.001 | |
Tusk length: foot diameter | 1 | 0.530 | 0.308 | 40 | 0.093 |
2 | 1.80 | 0.751 | 40 | 0.021 | |
3 | 1.71 | 0.308 | 40 | < 0.001 | |
Tusk length: head height | 1 | 0.610 | 0.251 | 40 | 0.019* |
2 | 1.25 | 0.617 | 40 | 0.050* | |
3 | 1.65 | 0.251 | 40 | < 0.001 | |
Tusk length: head girth | 1 | −2.96 | 1.86 | 40 | 0.120* |
2 | 4.75 | 2.13 | 40 | 0.031* | |
3 | 6.70 | 0.979 | 40 | < 0.001 | |
Tusk length: tusk diameter | 1 | 4.02 | 1.33 | 40 | 0.004* |
2 | 8.05 | 3.44 | 40 | 0.024* | |
3 | 9.31 | 1.35 | 40 | < 0.001 | |
Tusk diameter: body length | 1 | 0.011 | 0.006 | 40 | 0.098 |
2 | 0.023 | 0.013 | 40 | 0.080 | |
3 | 0.007 | 0.006 | 40 | 0.204 | |
Tusk diameter: body height | 1 | 0.002 | 0.006 | 40 | 0.731 |
2 | 0.007 | 0.015 | 40 | 0.662 | |
3 | −0.013 | 0.006 | 40 | 0.033 | |
Tusk diameter: foot diameter | 1 | 0.041 | 0.032 | 40 | 0.202 |
2 | 0.094 | 0.069 | 40 | 0.181 | |
3 | 0.012 | 0.030 | 40 | 0.690 | |
Tusk diameter: head height | 1 | 0.026 | 0.025 | 40 | 0.315 |
2 | −0.007 | 0.061 | 40 | 0.911 | |
3 | −0.012 | 0.025 | 40 | 0.646 | |
Tusk diameter: head girth | 1 | −0.334 | 0.225 | 40 | 0.146 |
2 | 0.442 | 0.236 | 40 | 0.068 | |
3 | 0.500 | 0.106 | 40 | < 0.001 |