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2017 Jun 30
1
Questions regarding to JohnSonFit() in the R package Johnson {SuppDists}
Hello, I was trying to fit a Johnson curve by first figuring out the parameter estimates using JohosnFit of a vector by a group ID using the aggregate function. I.E. aggregate(x, by = list(ID), JohnsonFit) where x is the variable I am trying to perform JohnsonFit on. It is a continuous random variable. However, I keep getting the following error: Error in JohnsonFit(x) : Unbounded solution intermed...