JABBA proc.dyn relative process SD

relsig(x) = raw(x) / raw(1), raw(x) = a + (1 - a) / (1 + (x / c)^d), with x = B/Bmsy (empirical ICES a = 0.128, c = 0.223, d = 1.326), as in JABBA's jabba2jags.R. relsig = 1 at Bmsy.

Usage

relsig_jabba(BBmsy, a = 0.128, c = 0.223, d = 1.326)

Arguments

BBmsy

B/Bmsy.

a, c, d

parameters.

Value

relsig for each B/Bmsy.