Insights into the Influence of Priors in Posterior Mapping of Discrete Morphological Characters: A Case Study in Annonaceae
Thomas L. P. Couvreur, Gerrit Gort, James E. Richardson et al. · 2010
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Description
Thomas Couvreur and colleagues tested how starting assumptions sway family-tree studies of plant form in PLOS ONE in 2010. A popular method rebuilds ancestral traits on evolutionary trees using Bayesian statistics. Like all Bayesian work, it needs prior values set in advance. Those priors can quietly steer the answers. The team used the custard apple family, Annonaceae, as a case study in plant shape traits.
They varied the priors and watched how trait histories changed. If conclusions swing with assumptions, researchers must report that honestly. Morphology on trees informs how flowers and fruits evolved. The study is a caution and a guide for that whole method. Good priors, it argues, are part of good evidence.
Catalog record
| CREATOR | Thomas L. P. Couvreur, Gerrit Gort, James E. Richardson et al. |
|---|---|
| YEAR | 2010 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 53 KB |
| LICENSE | Creative Commons Attribution License |
| RIGHTS | CC BY |
| SOURCE | PLOS ONE |
Source: https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0010473