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2012 Sep 04
3
Comparing Von Bertalanffy Growth Curves
...2011L, 2011L, 2011L, 2012L, 2012L, 2012L, 2012L, 2012L)), .Names = c("Age", "MM", "Year"), class = "data.frame", row.names = c(NA, -37L))
?
In case it's helpful here is all my code before this point:
str(LMB)
MMi=as.integer(MM)
Yearf=as.factor(Year)
Agei=as.integer(Age)
( svCom <- vbStarts(MMi~Agei,data=LMB))
( svGen <- lapply(svCom,rep,2) )
vbGen <- MMi~Linf[Yearf]*(1-exp(-K[Yearf]*(Age-t0[Yearf]))+error)
fitGen <- nls(vbGen,data=LMB,start=svGen)
?
Thank you, April