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dexp
2002 Jul 19
1
selfStart function problem
...1.3)) as dependent variable, the expression in lm()-model is not right. That is
perhaps because of the mode of the object LHS is now "call", but I have not found
how to get the program handle it correctly. Has someone any idea? I am using R1.5.1
on Windows NT.
Lauri
My code is
> dhexp <- deriv(~ a*exp(b*(D+5.8)^(-c)), c("a","b","c"), function(D,a,b,c) {} )
>
> dhexpInit <- function(mCall, LHS, data) {
+ equation <- paste('log(',LHS,') ~ I((',mCall[["D"]],'+5.8)^-1.0)')
+ print(equation)
+...