Comparison of generalized linear models (GLMs) and generalized linear mixed-effect models (GLMMs) to estimate individual-tree aboveground biomass, based on different explanatory variables (<i>x</i>): diameter (<i>d</i>), basal area (<i>ba</i>), volume (<i>v</i>), and volume · wood density (<i>v</i>ρ).

<p>Comparison of generalized linear models (GLMs) and generalized linear mixed-effect models (GLMMs) to estimate individual-tree aboveground biomass, based on different explanatory variables (<i>x</i>): diameter (<i>d</i>), basal area (<i>ba</i>), volume (<i>v</i>), and volume · wood density (<i>v</i>ρ).