age_h_gnfi3_core {ForestElementsR} | R Documentation |
Core Function For the Inverse Tree Height Growth Model of the 3rd German National Forest Inventory (2012)
Description
See documentation of age_h_gnfi3
for most information, this
function is the workhorse behind, and should never be called directly by a
user.
Usage
age_h_gnfi3_core(species_id, h_m, h_m_known, age_yr_known, params)
Arguments
species_id |
Vector of species ids (see |
h_m |
Single numeric value or vector of heights (m) for which the age is to be estimated |
h_m_known |
Vector of known height (m) values at age
|
age_yr_known |
Vector of ages (years) for which the height
|
params |
A data frame that defines the function parameters corresponding
to the species coding represented by |
Details
The function age_h_gnfi3
is fully vectorized, inputs are recyled
according to the tibble rules
Value
A vector with estimates of the trees' ages (see
age_h_gnfi3
)