# Efron 1976: Estimating the number of unseen species: How many words did Shakespeare know?

> Bradley Efron, Ronald Thisted, 1976. 1 records on Mysteries Department cite it. The inductive-methods survey uses its unseen-species estimate to ask how…

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[Sources](https://mysteriesdept.com/sources)[Voynich Manuscript](https://mysteriesdept.com/mysteries/voynich-manuscript)Efron 1976

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# Estimating the number of unseen species: How many words did Shakespeare know?

Bradley Efron, Ronald Thisted, 1976. _Biometrika_.

Estimates how many words Shakespeare knew but never used, from the counts of words he used once, twice and so on, with the models of Fisher and of Good and Toulmin.

**Voynich Manuscript** Articledoi: **[10.1093/biomet/63.3.435](https://doi.org/10.1093/biomet/63.3.435)** Checked against the original0

## What it's used for here

The inductive-methods survey uses its unseen-species estimate to ask how large the manuscript's vocabulary really is.

## Cited by on this site 1 record

[1 methods surveys]

Inductive methods

SRC

## Cite it

```
Efron, B., & Thisted, R. (1976). Estimating the number of unseen species: How many words did Shakespeare know?. Biometrika. https://doi.org/10.1093/biomet/63.3.435
```

[Find it at doi.org](https://doi.org/10.1093/biomet/63.3.435)

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**SRC** 0D8MQT0R4X6W

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