| flag_na | R Documentation | 
This function uses dplyr::mutate() to create a new na_flag logical
variable with TRUE values for any record missing any value in the
selected columns.
flag_na(data, ...)
| data | A data frame to flag. | 
| ... | Arguments passed to  | 
A data frame with a new na_flag logical variable.
flag_na(dplyr::starwars, hair_color)
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