Description Usage Arguments Value
Probability of Interspecific Encounter (PIE)
1 | hurlberts_pie(taxa.wide)
|
taxa.wide |
Taxonomic counts aggregated at the specific taxonomic classification (e.g., Order, Family, or Genus) in a wide data format. Use the wide function to prepare the data. |
Hurlbert's (1971) Probability of Interspecific Encounter (PIE): PIE = (N/(N-1)) * (1 - sum(p^2)) where: p = the propotion a specific taxon composes of a sample N = the total abundance of organisms
This measurement is equivalent to Simpson's Index but includes a correction factor base on the total abundance of organisms.
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