Class "Density"
is an S4 class containing a list of grids which
describe the density of individuals / clusters of a population. The list
contains one grid (data.frame
) for each strata.
region.name
Object of class "character"
; the region name.
strata.name
Object of class "character"
; the strata names
density.surface
Object of class "list"
; list of data.frames
with the columns x, y and density. There must be one data.frame for each
strata.
x.space
Object of class "numeric"
; The spacing between
gridpoints described in the density data.frames in the x-direction.
y.space
Object of class "numeric"
; The spacing between
gridpoints described in the density data.frames in the y-direction.
units
Object of class "numeric"
; The units of the grid
points.