This S3 method allows you to retrieve the formula used to fit wbm objects.

# S3 method for wbm
formula(x, raw = FALSE, ...)



R object, for DF2formula() a data.frame.


Return the formula used in the call to lmerMod/glmerMod? Default is FALSE.


further arguments passed to or from other methods.


data("WageData") wages <- panel_data(WageData, id = id, wave = t) model <- wbm(lwage ~ lag(union) + wks, data = wages) # Returns the original model formula rather than the one sent to lme4 formula(model)
#> lwage ~ lag(union) + wks #> <environment: 0x000000002e9bae70>