sr_eq: sr_eq

In nikolaifish/bamExtras: Functions and Data in Support of Stock Assessments with the Beaufort Assessment Model (BAM)

sr_eq

Description

Spawner-recruit equilibrium function (Beverton-Holt or Ricker). Used inside the get_msy function. This is code from the Beaufort Assessment Model converted from ADMB to R.

Usage

sr_eq(SR_switch = "beverton_holt", steep, R0, BiasCor, spr_F0, spr_F)

Arguments

SR_switch	Set which stock-recruit relationship to use. 1. "beverton_holt" = Beverton-Holt, 2. "ricker" = Ricker, 3. "none" = none (average recruitment).
steep	Beverton-Holt steepness parameter. numeric vector
R0	Beverton-Holt R0 parameter (virgin recruitment). Numbers of fish at first age (often age-0 or age-1). numeric vector
BiasCor	bias correction. numeric vector
spr_F0	spawners per recruit at F=0
spr_F	spawners per recruit at F

Author(s)

Kyle Shertzer, Erik Williams, and Nikolai Klibansky

nikolaifish/bamExtras documentation built on July 21, 2023, 8:26 a.m.