# Letter Frequencies Based on 40,000 Words----
#' Letter Frequencies Based on 40,000 Words
#'
#' A vector corresponding the frequency of letters across 40,000 words.
#' Retrieved from: http://pi.math.cornell.edu/~mec/2003-2004/cryptography/subs/frequencies.html
#'
#' @name letter.freq
#'
#' @docType data
#'
#' @usage data(letter.freq)
#'
#' @format letter.freq (26-element numeric vector)
#'
#' @keywords datasets
#'
#' @examples
#' data("letter.freq")
NULL
#----
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