Trigram

Trigrams are a special case of the n-gram, where n is 3. They are often used in natural language processing for performing statistical analysis of texts and in cryptography for control and use of ciphers and codes. See https://www3.nd.edu/~busiforc/handouts/cryptography/Letter%20Frequencies.html for results of analysis of "Letter Frequencies in the English Language".

For other uses, see Trigram (disambiguation).
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