build_composition_df

Internal helper shared by <code>analyze_composition_by_size()</code> and
<code>analyze_composition_changes()</code>. Converts a list of
<code>calculate_body_composition()</code> outputs into a tidy data frame,
avoiding duplication of the identical <code>sapply</code> + <code>data.frame</code>
block.

internal

An implementation of the 'Fish Bioenergetics 4.0' framework
described in Deslauriers et al. (2017)
<doi:10.1080/03632415.2017.1377558>. Provides automated parameter
optimization, multi-prey diet modeling, and comprehensive energy budget
simulations for fisheries research and aquaculture applications. An
optional 'TMB' (Template Model Builder) backend delivers 10-50x speedup
in maximum likelihood estimation while maintaining full backward
compatibility. Includes species-specific parameter databases and tools
for modeling fish growth, consumption, and metabolism under varying
environmental conditions.

Hans Ttito

fb4package

'Fish Bioenergetics 4.0' Model Implementation with
High-Performance 'TMB' Backend

build_composition_df function

<dl><dt>compositions</dt>
<dd>List of results from <code>calculate_body_composition()</code>,
one element per weight point or time step.</dd>
<dt>weights</dt>
<dd>Numeric vector of fish weights corresponding to each element.</dd></dl>

Arguments

Build a body-composition data frame from a list of composition results — build_composition_df

<dl>

<dt>compositions</dt>
<dd>List of results from <code>calculate_body_composition()</code>,
one element per weight point or time step.</dd>


<dt>weights</dt>
<dd>Numeric vector of fish weights corresponding to each element.</dd>

</dl>

build_composition_df: Build a body-composition data frame from a list of composition results

Description

Usage

Value

Arguments