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spatstat (version 1.6-9)

Spatial Point Pattern analysis, model-fitting and simulation

Description

Spatial Point Pattern data analysis, modelling and simulation including multitype/marked points and spatial covariates

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Version

Install

install.packages('spatstat')

Monthly Downloads

16,015

Version

1.6-9

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.6-9)

Jcross

Multitype J Function (i-to-j)
Gdot

Multitype Nearest Neighbour Distance Function (i-to-any)
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
Gest

Nearest Neighbour Distance Function G
Iest

Estimate the I-function
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
Gmulti

Marked Nearest Neighbour Distance Function
Softcore

The Soft Core Point Process Model
Kest.fft

K-function using FFT
StraussHard

The Strauss / Hard Core Point Process Model
is.owin

Test Whether An Object Is A Window
Fest

Estimate the empty space function F
is.marked.ppp

Test Whether A Point Pattern is Marked
LennardJones

The Lennard-Jones Potential
Geyer

Geyer's Saturation Point Process Model
affine

Apply Affine Transformation
bramblecanes

Hutchings' Bramble Canes data
Gcross

Multitype Nearest Neighbour Distance Function (i-to-j)
Jdot

Multitype J Function (i-to-any)
Kmeasure

Reduced Second Moment Measure
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
nndist

Nearest neighbour distances
is.im

Test Whether An Object Is A Pixel Image
Poisson

Poisson Point Process Model
DiggleGratton

Diggle-Gratton model
spatstat-deprecated

Deprecated spatstat functions
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
rMaternII

Simulate Matern Model II
coef.ppm

Coefficients of Fitted Point Process Model
ants

Harkness-Isham ants' nests data
diameter

Diameter of a Window Frame
is.marked

Test Whether Marks Are Present
plot.plotppm

Plot a plotppm Object Created by plot.ppm
cells

Biological Cells Point Pattern
Kest

K-function
corners

Corners of a rectangle
as.mask

Pixel Image Approximation of a Window
complement.owin

Take Complement of a Window
pcf

Pair Correlation Function
distmap.owin

Distance Map of Window
diagnose.ppm

Diagnostic Plots for Fitted Point Process Model
gridweights

Compute Quadrature Weights Based on Grid Counts
crossdist

Pairwise distances between two different point patterns
as.owin

Convert Data To Class owin
im

Create a Pixel Image Object
rmhstart

Determine Initial State for Metropolis-Hastings Simulation.
concatxy

Concatenate x,y Coordinate Vectors
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
Strauss

The Strauss Point Process Model
copper

Berman-Huntington points and lines data
Pairwise

Generic Pairwise Interaction model
MultiStrauss

The Multitype Strauss Point Process Model
affine.owin

Apply Affine Transformation To Window
Saturated

Saturated Pairwise Interaction model
distmap.ppp

Distance Map of Point Pattern
print.owin

Print Brief Details of a Spatial Window
as.im

Convert to Pixel Image
as.rectangle

Window Frame
ganglia

Beta Ganglion Cells in Cat Retina, Old Version
bdist.points

Distance to Boundary of Window
Kinhom

Inhomogeneous K-function
chorley

Chorley-Ribble Cancer Data
is.ppm

Test Whether An Object Is A Fitted Point Process Model
envelope

Simulation envelopes of summary function
summary.ppp

Summary of a Point Pattern Dataset
Ord

Generic Ord Interaction model
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
plot.ppp

plot a Spatial Point Pattern
default.dummy

Generate a Default Pattern of Dummy Points
eem

Exponential Energy Marks
lansing

Lansing Woods Point Pattern
pairwise.family

Pairwise Interaction Process Family
nztrees

New Zealand Trees Point Pattern
Kdot

Multitype K Function (i-to-any)
amacrine

Hughes' Amacrine Cell Data
finpines

Pine saplings in Finland.
fv.object

Data Frames of Function Values
as.ppp

Convert Data To Class ppp
bounding.box

Bounding Box of a Window
rmpoispp

Generate Multitype Poisson Point Pattern
plot.owin

Plot a Spatial Window
spatstat-internal

Internal spatstat functions
km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms
fasp.object

Function Arrays for Spatial Patterns
im.object

Class of Images
hamster

Aherne's hamster tumour data
Kmulti

Marked K-Function
quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model
plot.ppm

plot a Fitted Point Process Model
data.ppm

Extract Original Data from a Fitted Point Process Model
raster.x

Cartesian Coordinates for a Pixel Raster
distmap

Distance Map
erode.owin

Erode a Window
reduced.sample

Reduced Sample Estimator using Histogram Data
is.subset.owin

Determine Whether One Window is Contained In Another
area.owin

Area of a Window
setmarks

Set or Reset the Marks in a Point Pattern
allstats

Calculate four standard summary functions of a point pattern.
is.ppp

Test Whether An Object Is A Point Pattern
Kcross

Multitype K Function (Cross-type)
lurking

Lurking variable plot
affine.ppp

Apply Affine Transformation To Point Pattern
japanesepines

Japanese Pines Point Pattern
Jest

Estimate the J-function
betacells

Beta Ganglion Cells in Cat Retina
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
Jmulti

Marked J Function
humberside

Humberside Data on Childhood Leukaemia and Lymphoma
gridcentres

Rectangular grid of points
expand.owin

Expand Window By Factor
ppp

Create a Point Pattern
OrdThresh

Ord's Interaction model
swedishpines

Swedish Pines Point Pattern
rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.
suffstat

Sufficient Statistic of Point Process Model
redwood

California Redwoods Point Pattern (Ripley's Subset)
summary.im

Summarizing a Pixel Image
ord.family

Ord Interaction Process Family
is.marked.ppm

Test Whether A Point Process Model is Marked
rmh.ppm

Simulate from a Fitted Point Process Model
nearest.raster.point

Find Pixel Nearest to a Given Point
quad.object

Class of Quadrature Schemes
anova.ppm

ANOVA for Fitted Point Process Models
pcf.fv

Pair Correlation Function obtained from K Function
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
spruces

Spruces Point Pattern
inside.owin

Test Whether Points Are Inside A Window
print.quad

Print a Quadrature Scheme
longleaf

Longleaf Pines Point Pattern
quadscheme

Generate a Quadrature Scheme from a Point Pattern
pairdist

Pairwise distances
plot.splitppp

Plot a List of Point Patterns
plot.im

Plot a Pixel Image
intersect.owin

Intersection or Union of Two Windows
rtoro

Random Toroidal Shift of Point Pattern
rotate.owin

Rotate a Window
markcorr

Mark Correlation Function
print.ppm

Print a Fitted Point Process Model
shift

Apply Vector Translation
shift.ppp

Apply Vector Translation To Point Pattern
quadratcount

Quadrat counting for a point pattern
pcf.ppp

Pair Correlation Function of Point Pattern
rMatClust

Simulate Matern Cluster Process
reach

Interaction Distance of a Point Process
rmpoint

Generate N Random Multitype Points
residuals.ppm

Residuals for Fitted Point Process Model
plot.fasp

Plot a Function Array
harmonic

Basis for Harmonic Functions
plot.fv

Plot Function Valuesn
rotate.ppp

Rotate a Point Pattern
runifpoint

Generate N Uniform Random Points
plot.quad

plot a Spatial Quadrature Scheme
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
rSSI

Simple Sequential Inhibition
simdat

Simulated Point Pattern
subset.ppp

Extract or Replace Subset of Point Pattern
setcov

Set Covariance of a Window
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
ppm.object

Class of Fitted Point Process Models
update.ppm

Update a Fitted Point Process Model
rpoispp

Generate Poisson Point Pattern
superimpose

Superimpose Several Point Patterns
unmark

Remove Marks from a Marked Point Pattern
stratrand

Stratified random point pattern
shift.owin

Apply Vector Translation To Window
qqplot.ppm

Q-Q Plot of Residuals from Fitted Point Process Model
owin

Create a Window
owin.object

Class owin
subset.im

Extract Subset of Image
shift.im

Apply Vector Translation To Pixel Image
square

Square Window
rMaternI

Simulate Matern Model I
eroded.areas

Areas of Morphological Erosions
bdist.pixels

Distance to Boundary of Window
rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.
spokes

Spokes pattern of dummy points
rmh.default

Simulate Point Process Models using the Metropolis-Hastings Algorithm.
rlabel

Random Re-Labelling of Point Pattern
centroid.owin

Centroid of a window
pairsat.family

Saturated Pairwise Interaction Point Process Family
rThomas

Simulate Thomas Process
union.quad

Union of Data and Dummy Points
ppm

Fit Point Process Model to Data
demopat

Artificial Data Point Pattern
fitted.ppm

Fitted Conditional Intensity for Point Process Model
rescue.rectangle

Convert Window Back To Rectangle
subset.fasp

Extract Subset of Function Array
identify.ppp

Identify Points in a Point Pattern
scanpp

Read Point Pattern From Data File
summary.quad

Summarizing a Quadrature Scheme
rpoint

Generate N Random Points
ppp.object

Class of Point Patterns
split.ppp

Divide Point Pattern into Sub-patterns
ripras

Estimate window from points alone
predict.ppm

Prediction from a Fitted Point Process Model
summary.ppm

Summarizing a Fitted Point Process Model
summary.owin

Summary of a Spatial Window
rotate

Rotate
residualspaper

Data and Code From JRSS Discussion Paper on Residuals
letterR

Window in Shape of Letter R
pcf.fasp

Pair Correlation Function obtained from array of K functions
rNeymanScott

Simulate Neyman-Scott Process
print.im

Print Brief Details of an Image
spatstat.options

Internal Options in Spatstat Package
subset.fv

Extract Subset of Function Values
print.ppp

Print Brief Details of a Point Pattern Dataset
redwoodfull

California Redwoods Point Pattern (Entire Dataset)