This function validates a single IMEI number against a list of valid IMEIs.
Usage
validate_this_imei(this_imei, this_id = NULL, valid_imeis)
Arguments
- this_imei
The IMEI number to validate.
- this_id
The survey ID associated with the IMEI (optional).
- valid_imeis
A vector of valid IMEI numbers to check against.
Value
A list with three elements:
imei: The validated IMEI if found, otherwise NA
alert_number: An alert code (1, 2, or 3) if validation fails, otherwise NA
survey_id: The provided survey ID
Details
Alert codes:
1: IMEI is too short (less than 5 digits)
2: Multiple valid IMEIs match the provided IMEI
3: No valid IMEI matches the provided IMEI