This function adds or updates a column named `vital_status_os` in the given data frame.
It sets the value of `vital_status_os` based on the existing value and the value of `latest_assessment_date_disease`.
If `vital_status_os` is NA and `latest_assessment_date_disease` is not NA, `vital_status_os` is set to 0.
Usage
add_vitalstatus_event(df)
Arguments
- df
A data frame that contains at least the columns `vital_status_os` and `latest_assessment_date_disease`.
Value
A data frame with the updated or new `vital_status_os` column.
Examples
if (FALSE) { # \dontrun{
# Given a DataFrame df with columns `vital_status_os` and `latest_assessment_date_disease`
# df <- add_vitalstatus_event(df)
} # }
