clean_ssn {naaccr}

Clean Social Security ID numbers

Description

Clean Social Security ID numbers

Usage

clean_ssn(number, keep_unknown = FALSE)

Arguments

number

A character vector of Social Security identification numbers. No spaces or punctuation, only numbers.

keep_unknown

Replace values for "unknown" with NA?

Value

A character vector with leading and trailing whitespace removed. If keep_unknown is FALSE, blanks and values representing unknown Social Security ID numbers are replaced with NA.