convert a value to character
util_ensure_character(x, error = FALSE, error_msg, ...)as.character(x)
the value
logical if TRUE, an error is thrown, a warning otherwise
in case of a conversion error
error message to be displayed, if conversion was not possible
additional arguments passed to util_error or util_warning
respectively in case of an error, and if an error_msg has
been passed
Other robustness_functions:
util_as_valid_missing_codes(),
util_check_one_unique_value(),
util_correct_variable_use(),
util_empty(),
util_ensure_in(),
util_ensure_suggested(),
util_expect_scalar(),
util_fix_rstudio_bugs(),
util_is_integer(),
util_is_numeric_in(),
util_is_valid_missing_codes(),
util_match_arg(),
util_observations_in_subgroups(),
util_only_NAs(),
util_stop_if_not(),
util_warn_unordered()