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Assigned ages (by otoliths), total lengths, and sexes of Atlantic Croaker (Micropogonias undulatus).
A data frame of 318 observations on the following 3 variables:
Otolith age-at-capture (years).
Total length (nearest mm) at capture.
Sex of the fish (M
=male and F
=female).
Growth
von Bertalanffy
data(Croaker2)
str(Croaker2)
head(Croaker2)
op <- par(mfrow=c(1,2),pch=19)
plot(tl~age,data=Croaker2,subset=sex=="F",main="Female")
plot(tl~age,data=Croaker2,subset=sex=="M",main="Male")
par(op)
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