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Newer Chao et al. FD indices? #461

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jebyrnes opened this issue Jan 20, 2022 · 2 comments
Open

Newer Chao et al. FD indices? #461

jebyrnes opened this issue Jan 20, 2022 · 2 comments

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@jebyrnes
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I'm curious if the code at https://github.com/AnneChao/FunD/blob/master/FunD_Rcode.txt from the awesome Chao et al. 2019 Ecological Monograph on functional diversity https://esajournals.onlinelibrary.wiley.com/doi/abs/10.1002/ecm.1343 will be incorporated into vegan? Seems like a good home for it, given that vegan::renyi() can already give you hill numbers for different values of q (scale in the function)

@gavinsimpson
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There's no licence on the code so someone would need to ask Anne if they were OK with it being ported over and have them indicate that they are willing to release the code under the GPL.

The likelihood of this making it into vegan would increase significantly if someone actually ported the code and made a PR where we could discuss it, make it match vegan style etc.

@jarioksa
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It's OK to write the functions following mathematics in publications, but taking existing code really needs permission, or rather the original authors to submit the code to vegan.

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