Open kellijohnson-NOAA opened 2 years ago
An approach for estimating growth in terms of L0 has been created within the new est_growth
function. This function works similar to the approach in the {PacFIN.Utilities} package where a predicted length along with a ranged of potential low and high values based on a pre-specified number of standard deviations. The est_growth
function calls the same function as the {PacFIN.Utilities} package which is called fit_vbgrowth
and is housed in the {nwfscSurvey} package.
Problem
There are many ways to estimate growth parameters and it is not consistent between nwfscSurvey and PacFIN.Utilities. Furthermore, parameter estimates are different depending on the parameterization.
I had originally started a new branch to do this, but it moved from the icebox to a broken down unplugged freezer. I plan on
vbgrowth
as part of #50 andProposed solution
Implement many ways of estimating growth. Talk to @shcaba and @melissamonk-NOAA because they both do this independently of the packages. Maybe even @ChristineStawitz-NOAA.
nwfscSurvey::PlotVarLengthAtAge.fn()
parameterized in terms of L0 and not t0, @melissamonk-NOAA has ideasnwfscSurvey::PlotVarLengthAtAge.fn()
; clear labels for axes; alternative text