Extract the model formula from a fitted group testing model

Source: R/gtReg.R

Extract the model formula from objects of class "gtReg" returned by gtReg.

# S3 method for class 'gtReg'
formula(x, ...)

Arguments

x

An object of class "gtReg", created by gtReg, from which the model formula is to be extracted.

...

not currently used.

Value

Model formula extracted from the object object.

Author

Brianna D. Hitt

Examples

data(hivsurv)
fit1 <- gtReg(formula = groupres ~ AGE * EDUC.,
              data = hivsurv, groupn = gnum,
              linkf = "probit")
formula(x = fit1)
#> groupres ~ AGE * EDUC.
#> <environment: 0x559c20697b00>