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Aanother statistical take on Voynichese

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• Aanother statistical take on Voynichese

• RE: Aanother statistical take on Voynichese

  nablator > 9 hours ago

  In my experience, a 3rd-order Markov chain too frequently produces long words, such as cholchekaiiin, otocholsheedan, qokedalcheoly, sheolalsheeey, olkeechokodaiin.
  
  EDIT:
  Actually it was 2nd order (I just picked a random trigram from a transliteration starting with the 2 previously generated characters). I haven't tried 3rd order.

• RE: Aanother statistical take on Voynichese

  Mauro > 7 hours ago

  (11 hours ago)kostrubaty Wrote: You are not allowed to view links. Register or Login to view.As for indistinguishable -> It simply means that given 2 text excerpts one in voynichese one generated you're unable to tell which is which. You're able to tell only because you've checked with known text. If I were to say here's a new text I found in this language you could not objectively prove/disprove my claim basing your judgment solely on the text itself.

  
  If you can link me a reasonably long text sample generated by your Markov chain, say at least ten thousand words, I can run a battery of tests and tell how it compares to the original Voynich and to previous pseudo-Voynichese texts.

• RE: Aanother statistical take on Voynichese

  JoeyB > 4 hours ago

  (9 hours ago)oshfdk Wrote: You are not allowed to view links. Register or Login to view.

  (9 hours ago)Jorge_Stolfi Wrote: You are not allowed to view links. Register or Login to view.For a Markov of order 3 the Author would need a table with ~20x20 = 400 entries listing the alternatives for the next character given the previous 2, each with its probability.  

  
  I thought order 3 is based on three previous entries? 20x20x20?

  
  Correct, the code line in his repo You are not allowed to view links. Register or Login to view. (the --order default is at You are not allowed to view links. Register or Login to view., the ^^^ padding at You are not allowed to view links. Register or Login to view.)):
  
  
  41:  for (let i = order; i < s.length; i++) {
  42:      const ctx = s.slice(i - order, i)   // context = the `order` chars before position i
  43:      const ch = s[i]!
  
  With order = 3, s.slice(i - 3, i) is the 3 characters immediately before the one being predicted. So the context is the previous 3 characters, which is 20×20×20…
  
  Then these lines in the same file:
  generate.ts:18 sets the default: const order = ... ?? 3.
  generate.ts:37 const PAD = "^".repeat(order) pads each word with three ^, so the first prediction already has a 3‑char context.
  The generator then has: generate.ts:60 let ctx = (PAD + seed).slice(-order) and generate.ts:65 ctx = (ctx + ch).slice(-order) both keep the last 3 characters as state.

• RE: Aanother statistical take on Voynichese

  Jorge_Stolfi > 3 hours ago

  (9 hours ago)oshfdk Wrote: You are not allowed to view links. Register or Login to view.I thought order 3 is based on three previous entries? 20x20x20?

  
  You are right, sorry.
  
  All the best, --stolfi
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