Amacrines on/off data set
F nearest neighbour distribution function
Draw a polygon on the current graphics device
Select points inside a polygon
K-function
Overlay a number of point patterns
Shift a point data set
Variance matrix for space-time clustering
Log-likelihood for the Diggle-Rowlingson raised incidence model
Diggle-Rowlingson Raised Incidence Model
Theoretical nearest neighbour distribution function
Envelope of K12hat from random toroidal shifts of two point patterns
Test points for inclusion in a polygon
Add points interactively to a point data set
Select points to delete from a points data set
A linked-window system for browsing space-time data
Nearest neighbour distances as used by Fhat()
Graphics
Randomly label two or more point sets
Display the fit from tribble()
Monte-Carlo test of space-time clustering
Standard error for space-time clustering
Toroidal shift on a point data set
Craters in Uganda
Envelope of K1hat-K2hat from random labelling of two point patterns
Calculate area of polygon
Generate completely spatially random points on a polygon
Bivariate K-function
Number of points in data set
Generate a Poisson Cluster Process
Generate a box surrounding a point object
Fit a Poisson cluster process
Points inside or outside a polygon
Calculate simulation envelope for a Poisson Cluster Process
G nearest neighbour distribution function
Burkitt's lymphoma in Uganda
Generate a non-closed bounding polygon
Space-time kernel
Covariance matrix for the difference between two K-functions
Nearest neighbours for two point patterns
Distance-squared from a number of points to a number of sources
Mean Square Error for a Kernel Smoothing
bins nearest neighbour distances
Oklahoma white offenders
Overall density for a point pattern
adjust number of random points in polygon
Random toroidal shift on a point data set
Summary plots for clustering analysis
Point Objects
Randomly thin a point data set
Interactively specify a region of a plot for expansion
Creates data in spatial point format
Envelope of Khat from simulations of complete spatial randomness
Modified envelope of K12hat from random toroidal shifts of two point patterns
Bodmin Moors granite tors
generate points in polygon
Locations of homes of juvenile offenders
Point Objects
Kernel smoothing of a point pattern
Generate a grid of points
Ratio of two kernel smoothings
Covariance matrix for the difference between two K-functions
Oklahoma black offenders
Standard errors for the difference between two K-functions
Nearest neighbour distances as used by Ghat()
Graphics
Cancer cases in Chorley-Ribble
Return version number and author information
Space-time K-functions