R: Transform IUCN RedList conservation status to continuous...
lets.iucncont
R Documentation
Transform IUCN RedList conservation status to continuous values
Description
Transform IUCN RedList conservation status to continuous values ranging from 0 to 5.
Usage
lets.iucncont(x, dd = NA, ne = NA)
Arguments
x
A vector or a matrix containing IUCN codes to be transformed.
dd
The value to be attributed to DD (data-deficient) species, the default option is NA.
ne
The value to be attributed to NE (not-evaluated) species, the default option is NA.
Value
Returns a vector/matrix with continuos values from 0 to 5.
EX and EW = 5
CR = 4
EN = 3
VU = 2
NT = 1
LC = 0
DD = NA
NE = NA
Author(s)
Bruno Vilela
References
Purvis A et al., 2000. Predicting extinction risk in
declining species. Proceedings of the Royal Society of London.
Series B: Biological Sciences, 267.1456: 1947-1952.