# NOT RUN {
library(basicTrendline)
x<-1:5
y<-c(2,4,8,20,25)
xy<-data.frame(x,y)
getInitial(y ~ SSexp2P(x,a,b), data = xy)
## Initial values are in fact the converged values
fitexp2P <- nls(y~SSexp2P(x,a,b), data=xy)
summary(fitexp2P)
# }
Run the code above in your browser using DataLab