Tools for Poisson Data

Documentation for package ‘ptools’ version 2.0.0

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