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2011 May 17
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Help fit 5 nonlinear models. - Plant growth curves
...n(a*(1+(m-1)*exp(-b*(x-c)))**(1/(1-m)))} ###Variables #Altura ALTURA0=subset(d,d$TRAT==f[1],select=c(1,REG[1])) ALTURA_0=data.frame(dia,tapply(ALTURA0[,2],ALTURA0[,1],median, na.rm=TRUE)) colnames(ALTURA_0)=c("ddt","reg") #PSEUDO PSEUDO0=subset(d,d$TRAT==f[1],select=c(1,REG[5])) PSEUDO_0=data.frame(dia,tapply(PSEUDO0[,2],PSEUDO0[,1],median, na.rm=TRUE)) colnames(PSEUDO_0)=c("ddt","reg") #DIAM DIAM0=subset(d,d$TRAT==f[1],select=c(1,REG[6])) DIAM_0=data.frame(dia,tapply(DIAM0[,2],DIAM0[,1],median, na.rm=TRUE)) colnames(DIAM_0)=c("ddt","reg") #A...