ytable_lookup {ForestElementsR} | R Documentation |
Look Up Values From Yield Tables
Description
Provide yield table values for a given age and site index. If necessary, values are linearly inter- and extrapolated.
Usage
ytable_lookup(age, si, variable, ytable)
Arguments
age |
Stand age (years) |
si |
Site index (according to the yield table of interest's
( |
variable |
Name of the variable to be looked up. If the name is not
one of the variable names available in the |
ytable |
A yield table, must be an |
Value
The requested yield table value
See Also
Other yield table functions:
fe_yield_table()
,
plot.fe_yield_table()
,
si_to_mai_age()
,
si_to_mai_max()
,
site_index()
,
stocking_level()
,
yield_tables_for_species
,
ytable_age_slice()
,
ytable_max_slice()
Examples
age <- 72
si <- 3.2
ytable_lookup(
age, si, "h_q_m", fe_ytable_spruce_gehrhardt_moderate_1921
)
ytable_lookup(
age, si, "v_m3_ha", fe_ytable_spruce_gehrhardt_moderate_1921
)
ytable_lookup(
age, si, "mai_m3_ha_yr", fe_ytable_spruce_gehrhardt_moderate_1921
)