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splancs (version 2.01-45)

Spatial and Space-Time Point Pattern Analysis

Description

The Splancs package was written as an enhancement to S-Plus for display and analysis of spatial point pattern data; it has been ported to R and is in "maintenance mode".

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Install

install.packages('splancs')

Monthly Downloads

10,639

Version

2.01-45

License

GPL (>= 2)

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Maintainer

Last Published

May 27th, 2024

Functions in splancs (2.01-45)

bboxx

Generate a non-closed bounding polygon
is.points

Point Objects
inout

Test points for inclusion in a polygon
mse2d

Mean Square Error for a Kernel Smoothing
kernel2d

Kernel smoothing of a point pattern
khvc

Covariance matrix for the difference between two K-functions
khat

K-function
n2dist

Nearest neighbours for two point patterns
kernel3d

Space-time kernel
delpoints

Select points to delete from a points data set
nndistG

Nearest neighbour distances as used by Ghat()
okwhite

Oklahoma white offenders
pcp

Fit a Poisson cluster process
kernrat

Ratio of two kernel smoothings
pip

Points inside or outside a polygon
plt

bins nearest neighbour distances
pointmap

Graphics
gridpts

Generate a grid of points
getpoly

Draw a polygon on the current graphics device
nndistF

Nearest neighbour distances as used by Fhat()
secal

Standard errors for the difference between two K-functions
polymap

Graphics
kerview

A linked-window system for browsing space-time data
sbox

Generate a box surrounding a point object
inpip

Select points inside a polygon
print.ribfit

Display the fit from tribble()
stdiagn

Summary plots for clustering analysis
khvmat

Covariance matrix for the difference between two K-functions
stkhat

Space-time K-functions
mpoint

Overlay a number of point patterns
ranpts

adjust number of random points in polygon
k12hat

Bivariate K-function
pcp.sim

Generate a Poisson Cluster Process
rLabel

Randomly label two or more point sets
pdense

Overall density for a point pattern
stvmat

Variance matrix for space-time clustering
rtor.shift

Random toroidal shift on a point data set
thin

Randomly thin a point data set
zoom

Interactively specify a region of a plot for expansion
Shift

Shift a point data set
stsecal

Standard error for space-time clustering
southlancs

Cancer cases in Chorley-Ribble
stmctest

Monte-Carlo test of space-time clustering
npts

Number of points in data set
okblack

Oklahoma black offenders
triblik

Log-likelihood for the Diggle-Rowlingson raised incidence model
uganda

Craters in Uganda
splancs

Return version number and author information
tor.shift

Toroidal shift on a point data set
spoints

Point Objects
tribble

Diggle-Rowlingson Raised Incidence Model
Ghat

G nearest neighbour distribution function
csr

Generate completely spatially random points on a polygon
Kenv.pcp

Calculate simulation envelope for a Poisson Cluster Process
Kenv.label

Envelope of K1hat-K2hat from random labelling of two point patterns
Fhat

F nearest neighbour distribution function
Fzero

Theoretical nearest neighbour distribution function
Kenv.tor

Envelope of K12hat from random toroidal shifts of two point patterns
burkitt

Burkitt's lymphoma in Uganda
Kenv.csr

Envelope of Khat from simulations of complete spatial randomness
Kenv.tor1

Modified envelope of K12hat from random toroidal shifts of two point patterns
dsquare

Distance-squared from a number of points to a number of sources
as.points

Creates data in spatial point format
areapl

Calculate area of polygon
gen

generate points in polygon
amacrines

Amacrines on/off data set
addpoints

Add points interactively to a point data set
cardiff

Locations of homes of juvenile offenders
bodmin

Bodmin Moors granite tors