fundamental.matrix {popbio} | R Documentation |
Fundamental matrix and age-specific survival
Description
Age-specific survival calculations from stage-classified matrices. Includes the mean, variance and coefficient of variation (cv) of the time spent in each stage class and the mean and variance of the time to death
Usage
fundamental.matrix(A, ...)
Arguments
A |
projection matrix |
... |
additional items are passed to |
Details
see section 5.3.1 in Caswell (2001).
Value
A list with 5 items
N |
fundamental matrix or mean of the time spent in each stage class |
var |
variance of the time spent in each stage class |
cv |
coefficient of variation (sd/mean) |
meaneta |
mean of time to death |
vareta |
variance of time to death |
Author(s)
Chris Stubben
References
Caswell, H. 2001. Matrix population models: construction, analysis, and interpretation, Second edition. Sinauer, Sunderland, Massachusetts, USA.
See Also
see generation.time
and net.reproductive.rate
for other age-specific traits
Examples
fundamental.matrix(whale)