dht.deriv: Computes abundance estimates at specified parameter values...

In mrds: Mark-Recapture Distance Sampling

Computes abundance estimates at specified parameter values using Horvitz-Thompson-like estimator

Description

Computes abundance at specified values of parameters for numerical computation of first derivative with respect to parameters in detection function. An internal function called by DeltaMethod which is invoked by dht.se

Usage

dht.deriv(par, model, obs, samples, options = list())

Arguments

par	detection function parameter values
model	ddf model object
obs	observations table
samples	samples table
options	list of options as specified in dht

Value

vector of abundance estimates at values of parameters specified in par

Note

Internal function; not intended to be called by user

Author(s)

Jeff Laake

See Also

dht, dht.se, DeltaMethod

mrds documentation built on May 29, 2024, 3:56 a.m.