| bisq_xy | Bisquare weighted sum | 
| buff_sp | Creates buffer of sp polygon object | 
| check_pois | Checks the fit of a Poisson Distribution | 
| count_xy | Count of points in polygon | 
| dcount_xy | Count of points within distance of polygon | 
| dist_xy | Distance to nearest based on centroid | 
| e_test | Poisson E-test | 
| hex_area | Get area of hexagon given length of side | 
| hex_dim | Get dimensions of hexagon given area | 
| hex_wd | Get width of hexagon given height | 
| idw_xy | Inverse distance weighted sums | 
| kern_xy | Kernel density of nearby areas | 
| near_strings1 | Strings of Near Repeats | 
| near_strings2 | Strings of Near Repeats using KDtrees | 
| nyc_bor | NYC Boroughs | 
| nyc_cafe | NYC Sidewalk Cafes | 
| nyc_liq | NYC Alcohol Licenses | 
| nyc_shoot | NYPD Open Data on Shootings | 
| pai | Predictive Accuracy Index | 
| pai_summary | Summary Table for Multiple PAI Stats | 
| pois_contour | Checks the fit of a Poisson Distribution | 
| powalt | Power for Small Sample Exact Test | 
| prep_grid | Creates vector grid cells over study area | 
| prep_hexgrid | Creates hexagon grid cells over study area | 
| small_samptest | Small Sample Exact Test for Counts in Bins | 
| vor_sp | Voronoi tesselation from input points | 
| wdd | Estimates the WDD Test | 
| wdd_harm | Combines Multiple WDD Tests |