is_quasi_ext {metafolio} | R Documentation |
Return whether there was an instance of quasi extinction
is_quasi_ext(x, thresh, duration = 1)
x |
A numeric vector. |
thresh |
The quasi-extinction threshold in absolute numbers. |
duration |
The number of years below the threshold before a quasi extinction has occurred. |
x <- seq(100, 0, length.out = 20) is_quasi_ext(x, thresh = 10)