polyarea

dataframe or list with components `x' and `y'

logical if TRUE output is converted from square metres to hectares

manip

Functions to estimate the density of a spatially
        distributed animal population sampled with an array of passive
        detectors, such as traps, or by searching polygons or
        transects. Models incorporating distance-dependent detection
        are fitted by maximizing the likelihood. Tools are included for
        data manipulation and model selection.

polyarea: Area of simple polygon

Description

Usage

Arguments

Value

See Also

Examples