table2: table2

In SilviaTerra/rpnc250: R implentation of USFS Research Paper NC-250: Tree Volume and Biomass Equations for the Lake States

table2

Description

A dataframe containing volume model coefficients for cubic foot volume from Table 2 in the original publication.

Usage

table2

Format

dataframe:

species_group

species group label from paper

n

number of trees in fitting data

b0

intercept term in volume model equation

b1

volume model coefficient for DBH term

std_err

standard error (cubic feet) of model estimates for each species

br2

R^2: coefficient of determination for the species-level model

growing_stock_cull_pct

expected percent of gross volume that is cull for growing stock trees

rough_cull_pct

expected percent of gross volume that is cull for rough trees

rotten_cull_pct

expected percent of gross volume that is cull for rotten trees

Source

data-raw/tables.R

SilviaTerra/rpnc250 documentation built on March 28, 2023, 12:45 a.m.