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varexp
2004 Oct 03
1
creating new varFunc classes in nlme .. error: "Don't know how to get coefficients for .. object"
Hello. I am trying my hand at modifying the varFunc
class varExp, but I must be missing a step. All I
want to do right now is make a working copy of varExp,
call it varExp2, and then later change it.
coef.varExp2, coef<-.varExp2, and Initialize.varExp2
all seem to work properly after I construct them. I
can successfully use the commands:
v2 <- varExp2(form = ~age|Sex,fixed = c(Female=0))
v2 <- Initialize(v2, Orthodont)
But, after this when I type "v2...