valid_check_digit {vindecodr}

Check for Valid VIN Check Digit

Description

Calculates the VIN check digit and compares it to VIN position 9. For US-based VINs, this determines if the VIN is valid. This may not apply to VINs from outside of the United States.

Usage

valid_check_digit(vin, value = FALSE, guess = FALSE)

Arguments

vin

character. The VIN to check. VINs must be compete, i.e. 17 digits with no wildcards.

value

logical. Should the calculated check digit be returned instead?

guess

logical. Should incorrect characters be replaced by the best guess at corrected characters? O -> 0 I -> 1 Q -> 0

Value

If value is FALSE, a logical value is returned. If value is TRUE, a character is returned.

Examples

valid_check_digit("WDBEA30D3HA391172") # True
valid_check_digit("WDBEA30D3HA391172", value = TRUE)
valid_check_digit("WDBEA3QD3HA39I172", guess = TRUE)