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Table III
ANOVA tables, parameter estimates and model statistics for the distance-dependent tree model (Eq. (2)).
Oak (a = 0 and b = 0 for CI) | Pine (a = 2 and b = 0 for CI) | |||||||
---|---|---|---|---|---|---|---|---|
Source | SS | d.f. | Fvalue | Pr > F | SS | d.f. | F value | Pr > F |
Intercept | 50.48 | 1 | 4.939 | 0.0279 | 110.75 | 1 | 10.647 | 0.0013 |
Girth1999 | 93.95 | 1 | 9.194 | 0.0029 | 250.38 | 1 | 24.071 | < 0.0001 |
Plot | 177.99 | 8 | 2.177 | 0.0329 | ||||
CIoak | 417.87 | 1 | 40.89 | < 0.0001 | ||||
CIpine | 64.83 | 1 | 6.344 | 0.0129 | 137.44 | 1 | 13.213 | 0.0003 |
Girth1999:Plot | 184.87 | 8 | 2.261 | 0.0267 | 224.02 | 8 | 2.692 | 0.0082 |
Residuals | 1369.24 | 134 | 1747.46 | 168 | ||||
Coefficient | Estimate | Standard Error (σ) | Estimate | Standard Error (σ) | ||||
α k,s | 4.003 < αk,oak < 13.014 | 2.270 < σ < 3.393 | 4.602 | 1.410 | ||||
β k,s | 0.0361 < βk,oak < 0.1766 | 0.0256 < σ < 0.0434 | 0.0337 < βk,pine < 0.0812 | 0.0097 < σ < 0.0175 | ||||
λ oak | –0.3539 | 0.0553 | ||||||
λ pine | –0.2424 | 0.0962 | –11.364 | 3.126 | ||||
Adjusted R2 | 0.5806 | 0.2117 | ||||||
Residual S.D. | 3.197 | 3.225 |