get_n_eff_cpp: Compute the effective population size
In TheoPannetier/comsie: R implementation of a Competitive Radiation model

get_n_eff_cpp

R Documentation

Compute the effective population size

Description

Computes n_eff, the effective population size experienced by an individual.

Usage

get_n_eff_cpp(z, competition_sd, brute_force_opt = "none")

Arguments

`z`	numeric vector, the trait values of all individuals in the community.
`competition_sd`	numeric `>= 0`. Width of the competition kernel.
`brute_force_opt`	a string specifying which brute force option to use to speed up the calculation of competition coefficients. Defaults to "none". Other options are omp", for multithreading with OpenMP, "simd" for single instruction, multiple data (SIMD) via the C++ library `xsimd`; and "simd_omp" for both.

Details

n_eff sums the competitive effects an individual receives from every individual in the community, including the individual itself. It is called effective population size because it is the size of the population that is relevant for competition.