Additional biomass estimation alternatives: nonlinear two- and three-stage least squares and full information maximum likelihood for slash pine
نویسندگان
چکیده
A system of nonlinear biomass component equations was developed for slash pine (Pinus elliottii Engelm. var. elliottii) trees using an econometric approach in which endogenous right-hand-side variables were included some equations. The fitted to data from 306 sampled the southeastern United States with weighted two-stage (2SLS) and three-stage (3SLS) least squares full information maximum-likelihood (FIML) estimation methods. predictive performances these three methods ranked based on array statistics, ranking follows order FIML > 3SLS 2SLS. new performed as well or better than previously published equation systems aggregation disaggregation approaches same data. results demonstrated that such have potential be useful tree modeling.
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ژورنال
عنوان ژورنال: Canadian Journal of Forest Research
سال: 2022
ISSN: ['0045-5067', '1208-6037']
DOI: https://doi.org/10.1139/cjfr-2021-0335