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.
Slots
region.nameObject of class
"character"; the region name.strata.nameObject of class
"character"; the strata namesdensity.surfaceObject of class
"list"; list of data.frames with the columns x, y and density. There must be one data.frame for each strata.x.spaceObject of class
"numeric"; The spacing between gridpoints described in the density data.frames in the x-direction.y.spaceObject of class
"numeric"; The spacing between gridpoints described in the density data.frames in the y-direction.unitsObject of class
"numeric"; The units of the grid points.