standing_area_gnfi3_core

See documentation of <code>standing_area_gnfi3</code> for most information,
this function is the workhorse behind, and should never be called directly by
a user. The function <code>standing_area_gnfi3</code> is fully vectorized, inputs
are recyled according to the tibble rules

internal

Provides generic data structures and algorithms for use with forest
mensuration data in a consistent framework. The functions and objects
included are a collection of broadly applicable tools. More specialized
applications should be implemented in separate packages that build on this
foundation. Documentation about 'ForestElementsR' is provided by three
vignettes included in this package. For an introduction to the field of
forest mensuration, refer to the textbooks by Kershaw et al. (2017)
<doi:10.1002/9781118902028>, and van Laar and Akca (2007)
<doi:10.1007/978-1-4020-5991-9>.

Peter Biber

ForestElementsR

Data Structures and Functions for Working with Forest Data

Astor Toraño Caicoya

Torben Hilmers

standing_area_gnfi3_core function

<dl><dt>species_id</dt>
<dd>Vector of species ids (see
<code>standing_area_gnfi3</code>), but for this core function to work,
<code>species_id</code> must be provided as <code>character</code>. This will and
should be not checked inside this function, because if used as intended,
that has happened before calling it. The codings must either follow the
ger_nfi_2012, the tum_wwk_short, or the bavrn_state_short coding.</dd>
<dt>dbh_cm</dt>
<dd>Vector of breast height diameters (see
<code>standing_area_gnfi3</code>)</dd>
<dt>params</dt>
<dd>A data frame that defines the function parameters corresponding
to the species coding represented by <code>species_id</code></dd></dl>

Arguments

Core Function for the Estimation of Tree Standing Areas According to the 3rd
German National Forest Inventory — standing_area_gnfi3_core

<dl>

<dt>species_id</dt>
<dd>Vector of species ids (see
<code>standing_area_gnfi3</code>), but for this core function to work,
<code>species_id</code> must be provided as <code>character</code>. This will and
should be not checked inside this function, because if used as intended,
that has happened before calling it. The codings must either follow the
ger_nfi_2012, the tum_wwk_short, or the bavrn_state_short coding.</dd>


<dt>dbh_cm</dt>
<dd>Vector of breast height diameters (see
<code>standing_area_gnfi3</code>)</dd>


<dt>params</dt>
<dd>A data frame that defines the function parameters corresponding
to the species coding represented by <code>species_id</code></dd>

</dl>

standing_area_gnfi3_core: Core Function for the Estimation of Tree Standing Areas According to the 3rd German National Forest Inventory

Description

Usage

Value

Arguments