ellipse                 Point coordinates for a 2-D ellipse.
fish                    Fish stable isotope dataset.
niche.par.plot          Plot for niche parameters.
niche.plot              Plot for 2-d projection of niche regions.
niche.runif             Uniform sampling from an elliptical niche
                        region.
niche.size              Calculate the size of an elliptical niche
                        region.
nicheROVER              (Niche) (R)egion and Niche (Over)lap Metrics
                        for Multidimensional Ecological Niches.
niiw.post               Random draws from the posterior distribution
                        with Normal-Independent-Inverse-Wishart (NIIW)
                        prior.
niw.coeffs              Posterior coefficients of the
                        Normal-Inverse-Wishart distribution with its
                        conjugate prior.
niw.mom                 Mean and variance of the Normal-Inverse-Wishart
                        distribution.
niw.post                Random draws from the posterior distribution
                        with Normal-Inverse-Wishart (NIW) prior.
overlap                 Monte Carlo calculation of niche region overlap
                        metrics.
overlap.plot            Plot the overlap metric.
overlap.unif            Overlap calculation for uniform niche regions.
rniw                    Random draws from a Normal-Inverse-Wishart
                        distribution.
rwish                   Random draws from a Wishart (or
                        Inverse-Wishart) distribution.
