Validates the date column in the provided data frame. It ensures the dates are in a recognized format or a set of allowed tokens indicating the date is unknown.
Usage
validate_dates_with_tokens(data, date_col, allowed_date_formats, tokens)
Arguments
- data
A data frame.
- date_col
The name of the date column.
- allowed_date_formats
A character vector of allowed date formats.
- tokens
Recognized tokens indicating unknown dates.
Value
A list with elements error_data (an ErrorData object or NULL if no errors), parsed_dates (a vector of parsed dates), and token_mask (a logical mask identifying rows with recognized tokens indicating unknown dates).
