birdstate {birdring} | R Documentation |
Transforms the numeric code of the variable condition into a factor defining the state of the bird (dead, alive, sick).
birdstate(x)
x |
variable condition with numeric code for the condition of the bird as given in the original EURING data |
a factor with the levels "dead", "alive", "sick" and "unknown"
F. Korner-Nievergelt
du Feu et al. (2012) EURING Exchange Code 2000+. www.euring.org
condition <- 0:9
birdstate(condition)