Create a detection function object for strip/plot surveys for use in density
surface models.
Usage
dummy_ddf(object, size = 1, width, left = 0, transect = "line")
Arguments
- object
numeric vector of object identifiers, relating to the object
field in the observation data of the DSM.
- size
group size for each observation (default all groups size 1)
- width
right truncation
- left
left truncation (default 0, no left truncation)
- transect
"line" or "point" transect