I am presently using a skip/shift-of-one transposition equidistant letter sequence in an effort to decrypt possible intentionally placed letter-string words/phrases in the plaintext of one of Shakespeare's sonnets. I found, at an els of 14, a vertical letter string touching a horizontal phrase ("My name's . . . ") that says "DEVERE" which reads from bottom to top.
In calculating raw probabilities, the total number letters in the plaintext (sonnet, not including the spaces or punctuation) is/was the sample space. I got a letter frequency count for "DEVERE": Total Letters: 448 Letter-String: “DEVERE”:Total Letters: 448 Letter-String: DEVERE =
(D = 27) (E = 57) (V = 8) (E = 56) (R = 24) (E = 55) = .00091010304/7817.48583804 = 1/8,589,971 = .00000011641 =
11641/100,000,000,000 = 1 in 8,590,327 = 99.999988% raw probability of deliberate placement within the Plaintext.
Is this a correct way of doing this? I realize there are several algorithms that can be used, but this one is relatively straightforward.
Jim (I am not a mathematician or statistician)
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