params_grad: this calculates the gradient with respect to the params being...

In delomast/fishCompTools: Tools to Assist With Fish Composition Estimates, Particularly Using Parental Based Tagging (PBT)

Description

this is not intended for direct user-level use, but it is exported to allow the user to optionally specify it as a argument to pass to optim when using MLEwrapper. I recommend using it unless you have a specific reason not to.

Usage

params_grad(params, nPBT, nGSI, ohnc, t, utGSI, ohnc_gsi)

Arguments

params	vector of paramaters to optimize
nPBT	number of PBT groups to estimate
nGSI	number of GSI groups to estimate
ohnc	vector of number of observed (PBT assigned) hatchery fish in each PBT and GSI group (gsi groups should be 0)
t	vector of tag rates for all PBT and GSI groups (gsi groups should be 0)
utGSI	vector of number of un-PBT assigned fish in each GSI group
ohnc_gsi	matrix of counts of fish GSI assigned to various groups

delomast/fishCompTools documentation built on Jan. 11, 2021, 1:51 a.m.