p.dot | R Documentation |
Calculates the probability of detection by at least one detector for specific locations in the survey area.
p.dot( fit = NULL, session = 1, esa = FALSE, points = get.mask(fit, session), traps = NULL, detfn = NULL, ss.link = NULL, pars = NULL, n.quadpoints = 8 )
fit |
A fitted model from fit.ascr. |
session |
For multisession models, the session from which the trap locations should be taken. |
esa |
Logical, if |
points |
A matrix with two columns. Each row provides Cartesian coordinates for the location of a point at which a capture probability should be returned. |
traps |
A matrix with two columns. Each row provides Cartesian
coordinates for the location of a trap (or detector). Ignored
if |
detfn |
A character string specifying the detection function
to be used. One of "hn" (halfnormal), "hr" (hazard rate), "th"
(threshold), "lth" (log-link threshold), or "ss" (signal
strength). Ignored if |
ss.link |
A character string, either |
pars |
A named list. Component names are parameter names, and
each component is a value for the associated parameter. Ignored
if |
n.quadpoints |
An integer, giving the number of quadrature points used for numerical integration over the possible call directions. |
A vector containing detection probabilities for each
location in points
.
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