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Identify positions of the bottom 1% of ecosystem area in AOO grid

Source: R/AOO_functions.R
top_pct.Rd

top_pct returns the vector positions of the largest elements collectively comprising a given percentage more of the vector sum. This function helps perform the bottom.1pct.rule when selecting the AOO grid by identifying grid positions to keep.

Usage

top_pct(v, pct = 99)

Arguments

v

A numeric vector.

pct

percent of area to drop

Value

a numeric vector indicating the indeces of the elements to keep.

References

IUCN 2024. Guidelines for the application of IUCN Red List of Ecosystems Categories and Criteria, Version 2.0. Keith, D.A., Ferrer-Paris, J.R., Ghoraba, S.M.M., Henriksen, S., Monyeki, M., Murray, N.J., Nicholson, E., Rowland, J., Skowno, A., Slingsby, J.A., Storeng, A.B., Valderrábano, M. & Zager, I. (Eds.) Gland, Switzerland: IUCN. ix + 94pp. https://doi.org/10.2305/CJDF9122

See also

Other AOO functions: createGrid(), getAOO(), jplot(), makeAOOGrid()

Author

Aniko B. Toth anikobtoth@gmail.com