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Extract the model formula from objects of class "gtReg" returned by gtReg.
gtReg
# S3 method for gtReg formula(x, ...)
Model formula extracted from the object object.
An object of class "gtReg", created by gtReg, from which the model formula is to be extracted.
not currently used.
Brianna D. Hitt
data(hivsurv) fit1 <- gtReg(formula = groupres ~ AGE * EDUC., data = hivsurv, groupn = gnum, linkf = "probit") formula(x = fit1)
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