get_incoma              Create an integrated co-occurrence matrix
                        (wecoma)
get_wecoma              Create a weighted co-occurrence matrix (wecoma)
get_wecove              Create a weighted co-occurrence vector (wecove)
rcpp_get_wecoma         Wecoma
w                       A RasterLayer with weights
w_na                    A RasterLayer with weights and missing values
x                       A RasterLayer with categories
x_na                    A RasterLayer with categories and missing
                        values
