ricker {metafolio} | R Documentation |
A simple Ricker model
ricker(spawners, a, b)
spawners |
Spawner abundance |
a |
Ricker productivity parameter. Recruits are e^a at the origin. |
b |
Ricker density dependent parameter. |
Returns the number of recruits.
S <- seq(100, 1000, length.out = 100) R <- ricker(S, a = 1.9, b = 900) plot(S, R)