| abund.ch.prob {CTFS} | R Documentation |
The probability that N0 = N1 is computed.
abund.ch.prob(N0, N1, recrate, survrate)
N0 |
abundance in first census |
N1 |
abundance in second census |
recrate |
number of recruits / N1 |
survrate |
number of survivors / N0 |
See CTFS.abundance for details on the computation of
abundance and associated functions.
This function is designed to be called from
abundance.change.calculation. It can be used independently
if the number of recruits and survivors are known. The probability
returned is the sum of a biniomial (survivorship) and poisson
(recruitment) distribution. The arguments can be vectors of any length.
This function does not work with multi-dimensional arrays. To use if for
these, use abundance.change.calculation
prob |
vector of probabilities of same length as the arguments |
Rick Condit
CTFS.abundance, abundance.change,
abundance.change.calculation