NM_geo                  Longitude and latitude of New Mexico county
                        seats.
NM_map                  Data to plot the counties of New Mexico.
NM_popcas               Population and brain cancer cases in New Mexico
                        counties during 1973-1991.
coords_to_knn           Get the k nearest neighbors for each location,
                        given its coordinates.
df_to_matrix            Convert a long data frame to a wide matrix.
dist_to_knn             Given a distance matrix, find the k nearest
                        neighbors.
flexible_zones          Computes the flexibly shaped zones as in Tango
                        (2005).
get_zone                Extract a zone from the set of all zones.
gumbel_pvalue           Calculate the Gumbel p-value for a scan
                        statistic.
knn_zones               Find the increasing subsets of k nearest
                        neighbors for all locations.
mc_pvalue               Calculate the Monte Carlo p-value for a scan
                        statistic.
scan_bayes_negbin       Calculate the negative binomial bayesian scan
                        statistic..
scan_eb_negbin          Calculate the expectation-based negative
                        binomial scan statistic.
scan_eb_poisson         Calculate the expectation-based Poisson scan
                        statistic.
scan_eb_zip             Calculate the expectation-based ZIP scan
                        statistic.
scan_pb_poisson         Calculate the population-based Poisson scan
                        statistic.
scan_permutation        Calculate the space-time permutation scan
                        statistic.
scanstatistics          scanstatistics: Space-time anomaly detection
                        using scan statistics.
score_locations         Score each location over zones and duration.
top_clusters            Get the top (non-overlappig) clusters.
