module textAnalysis
val readFile : filename:string -> string
val cumSum : lst:int list -> int list
val reverseLookup : monotonic:'a list -> v:'a -> int when 'a : comparison
val rnd : System.Random
val alphabet : char list
val randomChar : hist:int list -> char
val randomString : hist:int list -> len:int -> string
val histogram : str:string -> int list
val convertText : src:string -> string
val diff : h1:int list * h2:int list -> double
val cooccurrence : src:string -> int list list
val markovChain : cooc:int list list * len:int -> string
val diff2 : c1:int list list * c2:int list list -> float
type wordHistogram = (string * int) list
val wordHistogram : src:string -> wordHistogram
val randomWords : wHist:wordHistogram * nWords:int -> string
val diffw : w1:wordHistogram * w2:wordHistogram -> float
type wordCooccurrences = (string * wordHistogram) list
val cooccurrenceOfWords : src:string -> wordCooccurrences
val wordMarkovChain : wCooc:wordCooccurrences * nWords:int -> string