Technical methodology for generating historical n‑gram corpora

Technical methodology for generating historical n‑gram corpora The passage solely describes data‑processing methods for a linguistic corpus. It contains no references to individuals, institutions, financial transactions, or controversial actions, offering no investigative leads. Key insights: Describes how book editions are selected and divided by publication year.; Counts n‑grams by total occurrences, pages, and number of books.; Filters out n‑grams appearing fewer than 40 times to protect source anonymity.