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). |
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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)#> [1] "mort_5yr ~ age+nodes+sex.factor+obstruct.factor+perfor.factor"explanatory = c("age", "nodes", "sex.factor", "obstruct.factor", "perfor.factor") dependent = "mort_5yr" random_effect = "(age.factor | hospital)" ff_formula(dependent, explanatory)#> [1] "mort_5yr ~ age+nodes+sex.factor+obstruct.factor+perfor.factor"