Naturallanguageprocessing, String Matching, R, Jaro Winkler, Levenshtein Distance.
more than two strings, Levenstein similarity function is often used as a score between 0 to 1. The formula for Levenshtein similarity function is: levenshtein_similarity = 1 - levenshteinDist(string_a, string_b) / max(nchar(string_a), nchar(string_b)) where levenshteinDist() is the Levenshtein