Data.Elocrypt.Trigraph

Generate a letter frequency trigraph, based on a dictionary

Documentation

findFrequency :: String -> Maybe [Rational]

Search for the character frequencies based on the first a two-letter string

frequencies :: [(String, [Rational])]

A map of character frequencies, based on a dictionary. The key is a two-letter string, and the value is a list of probabilities (a-z). It's form is:

[("aa", [2,0,3,0,0,0,1,0,0,0,0,1,1,1,0,0,0,3,2,0,0,0,0,0,0,0]),
...
 ("zz", [7,0,0,0,1,0,0,0,7,0,0,17,0,0,2,0,0,0,0,0,0,0,1,0,5,0])]