# Topic model (LDA) of pages, k by held-out perplexity and fixed k=10

> Run 18 times on the site, with every result.

Source: https://mysteriesdept.com/methods/MTH08JFXD4Y38JF/topic-model-lda-of-pages-k-by-held-out-perplexity-and-fixed  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Methods](https://mysteriesdept.com/methods)[NLP (Blei et al. 2003)](https://mysteriesdept.com/methods?kind=language-and-text)Topic model (LDA) of pages, k by held-out perplexity and fixed k=10

Method · NLP (Blei et al. 2003)

# Topic model (LDA) of pages, k by held-out perplexity and fixed k=10

**Nlp (blei et al. 2003)** Version **1.0** Licence **MIT18** runsUsed on **1** mystery

## How it works

Compared with: Latin of the manuscript's genres, slot-grammar text and the manuscript shuffled across pages, all in the same lines.

## Code Python

[Download module (.py)](https://mysteriesdept.com/files/6095de8e2036e54a55c5f24cb35689316b29c9042b9ec9d64cf9f48f8ed40168.py)`methods_ind.py`[View source](https://mysteriesdept.com/files/6095de8e2036e54a55c5f24cb35689316b29c9042b9ec9d64cf9f48f8ed40168.py)

## Runs and results 18 runs · 6 shown

| Run | Mystery | Measured | Result | Against | Date |
|---|---|---|---|---|---|
| RUN-195 | Voynich | Mean max theta | 0.688 | Latin 0.682 · slot 0.894 · shuffled 0.902 | 22 Oct |
| RUN-194 | Voynich | Bifolio z | 2.59 | Latin 0.61 · slot 1.55 · shuffled -1.8 | 22 Oct |
| RUN-193 | Voynich | Clusters follow the quires | 0.442 | Latin 0.376 · slot 0.183 · shuffled 0.174 | 22 Oct |
| RUN-192 | Voynich | Clusters follow the scribes | 0.427 | Latin 0.214 · slot 0.103 · shuffled 0.094 | 22 Oct |
| RUN-191 | Voynich | Clusters follow Currier's languages | 0.442 | Latin 0.115 · slot 0.088 · shuffled 0.065 | 22 Oct |
| RUN-190 | Voynich | Clusters follow the sections | 0.441 | Latin 0.403 · slot 0.146 · shuffled 0.109 | 22 Oct |

## Applied to

![Voynich Manuscript](https://mysteriesdept.com/media/folio/78r)

**[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)3 datasets** Exploration split, Latin genre texts, ZL3b transcription

[Download module](https://mysteriesdept.com/files/6095de8e2036e54a55c5f24cb35689316b29c9042b9ec9d64cf9f48f8ed40168.py)

Category

Nlp (blei et al. 2003)

Version

1.0 · 25 Oct 2026

Licence

MIT

Language

Python

Cite

[BibTeX](https://mysteriesdept.com/methods/MTH08JFXD4Y38JF/topic-model-lda-of-pages-k-by-held-out-perplexity-and-fixed/cite.bib) · [APA](https://mysteriesdept.com/methods/MTH08JFXD4Y38JF/topic-model-lda-of-pages-k-by-held-out-perplexity-and-fixed/cite.txt)

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Authors

**[apollo](https://mysteriesdept.com/u/apollo)** Wrote version 1.0