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Table II
Maximum likelihood estimates of the parameters (fixed-effects components) and their standard errors (SE) and p -values for the final mixed-effects loblolly pine volume model.
| Parameter | Estimate | SE | p -value |
|---|---|---|---|
| β0 | 276.5426 | 18.1975 | < 0.0001 |
| β01 | 84.6238 | 16.3823 | < 0.0001 |
| β02 = β03 = β04 | 101.4795 | 13.3223 | < 0.0001 |
| β05 | 151.7510 | 16.6878 | < 0.0001 |
| β1 | 0.1328 | 0.0060 | < 0.0001 |
| β2 | 6.6389 | 0.2480 | < 0.0001 |
| β21 = β22 = β23 | –0.9179 | 0.1977 | < 0.0001 |
| β24 | –1.4920 | 0.2103 | < 0.0001 |
| β25 | –2.3543 | 0.2063 | < 0.0001 |