Generate formula as character string
Useful when passing finalfit dependent and explanatory lists to base R functions
ff_formula(dependent, explanatory, random_effect = NULL) finalfit_formula(dependent, explanatory, random_effect = NULL)
dependent |
Optional character vector: name(s) of depdendent variable(s). |
explanatory |
Optional character vector: name(s) of explanatory variable(s). |
random_effect |
Optional character vector: name(s) of random effect variable(s). |
Character vector
explanatory = c("age", "nodes", "sex.factor", "obstruct.factor", "perfor.factor")
dependent = "mort_5yr"
ff_formula(dependent, explanatory)
explanatory = c("age", "nodes", "sex.factor", "obstruct.factor", "perfor.factor")
dependent = "mort_5yr"
random_effect = "(age.factor | hospital)"
ff_formula(dependent, explanatory)Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.