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spatstat (version 1.6-5)

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

1.6-5

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.6-5)

Softcore

The Soft Core Point Process Model
gridweights

Compute Quadrature Weights Based on Grid Counts
ord.family

Ord Interaction Process Family
is.marked

Test Whether Marks Are Present
MultiStrauss

The Multitype Strauss Point Process Model
affine

Apply Affine Transformation
Gmulti

Marked Nearest Neighbour Distance Function
Jmulti

Marked J Function
centroid.owin

Centroid of a window
Pairwise

Generic Pairwise Interaction model
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
as.ppp

Convert Data To Class ppp
print.ppp

Print Brief Details of a Point Pattern Dataset
Ord

Generic Ord Interaction model
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
plot.im

Plot a Pixel Image
quadscheme

Generate a Quadrature Scheme from a Point Pattern
rmhstart

Determine Initial State for Metropolis-Hastings Simulation.
ppm

Fit Point Process Model to Data
ripras

Estimate window from points alone
is.ppp

Test Whether An Object Is A Point Pattern
pairsat.family

Saturated Pairwise Interaction Point Process Family
is.marked.ppm

Test Whether A Point Process Model is Marked
LennardJones

The Lennard-Jones Potential
envelope

Simulation envelopes of summary function
quad.object

Class of Quadrature Schemes
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
subset.fasp

Extract Subset of Function Array
Kmulti

Marked K-Function
subset.fv

Extract Subset of Function Values
complement.owin

Take Complement of a Window
unmark

Remove Marks from a Marked Point Pattern
Saturated

Saturated Pairwise Interaction model
crossdist

Pairwise distances between two different point patterns
pcf.fv

Pair Correlation Function obtained from K Function
cells

Biological Cells Point Pattern
plot.fv

Plot Function Valuesn
amacrine

Hughes' Amacrine Cell Data
rMaternI

Simulate Matern Model I
im.object

Class of Images
finpines

Pine saplings in Finland.
plot.fasp

Plot a Function Array
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
Fest

Estimate the empty space function F
fitted.ppm

Fitted Conditional Intensity for Point Process Model
Gdot

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

Calculate four standard summary functions of a point pattern.
Geyer

Geyer's Saturation Point Process Model
split.ppp

Divide Point Pattern into Sub-patterns
quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model
is.im

Test Whether An Object Is A Pixel Image
swedishpines

Swedish Pines Point Pattern
Jest

Estimate the J-function
intersect.owin

Intersection or Union of Two Windows
eroded.areas

Areas of Morphological Erosions
superimpose

Superimpose Several Point Patterns
rmh.default

Simulate Point Process Models using the Metropolis-Hastings Algorithm.
print.im

Print Brief Details of an Image
ppp

Create a Point Pattern
coef.ppm

Coefficients of Fitted Point Process Model
print.quad

Print a Quadrature Scheme
stratrand

Stratified random point pattern
Gest

Nearest Neighbour Distance Function G
scanpp

Read Point Pattern From Data File
Jcross

Multitype J Function (i-to-j)
default.dummy

Generate a Default Pattern of Dummy Points
Kinhom

Inhomogeneous K-function
distmap.ppp

Distance Map of Point Pattern
im

Create a Pixel Image Object
summary.im

Summarizing a Pixel Image
area.owin

Area of a Window
is.ppm

Test Whether An Object Is A Fitted Point Process Model
lansing

Lansing Woods Point Pattern
fasp.object

Function Arrays for Spatial Patterns
setmarks

Set or Reset the Marks in a Point Pattern
rNeymanScott

Simulate Neyman-Scott Process
summary.ppm

Summarizing a Fitted Point Process Model
copper

Berman-Huntington points and lines data
anova.ppm

ANOVA for Fitted Point Process Models
is.marked.ppp

Test Whether A Point Pattern is Marked
subset.im

Extract Subset of Image
inside.owin

Test Whether Points Are Inside A Window
erode.owin

Erode a Window
longleaf

Longleaf Pines Point Pattern
pairwise.family

Pairwise Interaction Process Family
subset.ppp

Extract or Replace Subset of Point Pattern
fv.object

Data Frames of Function Values
identify.ppp

Identify Points in a Point Pattern
nearest.raster.point

Find Pixel Nearest to a Given Point
japanesepines

Japanese Pines Point Pattern
affine.ppp

Apply Affine Transformation To Point Pattern
as.owin

Convert Data To Class owin
plot.plotppm

Plot a plotppm Object Created by plot.ppm
Jdot

Multitype J Function (i-to-any)
bramblecanes

Hutchings' Bramble Canes data
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
rmpoispp

Generate Multitype Poisson Point Pattern
Poisson

Poisson Point Process Model
is.owin

Test Whether An Object Is A Window
letterR

Window in Shape of Letter R
ganglia

Beta Ganglion Cells in Cat Retina, Old Version
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
plot.quad

plot a Spatial Quadrature Scheme
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
print.ppm

Print a Fitted Point Process Model
shift.im

Apply Vector Translation To Pixel Image
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
rMatClust

Simulate Matern Cluster Process
plot.splitppp

Plot a List of Point Patterns
shift

Apply Vector Translation
betacells

Beta Ganglion Cells in Cat Retina
spatstat-internal

Internal spatstat functions
print.owin

Print Brief Details of a Spatial Window
rescue.rectangle

Convert Window Back To Rectangle
summary.quad

Summarizing a Quadrature Scheme
Kest.fft

K-function using FFT
reduced.sample

Reduced Sample Estimator using Histogram Data
is.subset.owin

Determine Whether One Window is Contained In Another
ppm.object

Class of Fitted Point Process Models
spruces

Spruces Point Pattern
Kcross

Multitype K Function (Cross-type)
nztrees

New Zealand Trees Point Pattern
OrdThresh

Ord's Interaction model
redwood

California Redwoods Point Pattern (Ripley's Subset)
Gcross

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

Diggle-Gratton model
rpoint

Generate N Random Points
affine.owin

Apply Affine Transformation To Window
quadratcount

Quadrat counting for a point pattern
km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms
Strauss

The Strauss Point Process Model
rmpoint

Generate N Random Multitype Points
Kdot

Multitype K Function (i-to-any)
Kest

K-function
rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.
StraussHard

The Strauss / Hard Core Point Process Model
simdat

Simulated Point Pattern
demopat

Artificial Data Point Pattern
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
bdist.points

Distance to Boundary of Window
owin

Create a Window
as.im

Convert to Pixel Image
bdist.pixels

Distance to Boundary of Window
concatxy

Concatenate x,y Coordinate Vectors
rotate.ppp

Rotate a Point Pattern
spatstat-deprecated

Deprecated spatstat functions
square

Square Window
pcf.ppp

Pair Correlation Function of Point Pattern
data.ppm

Extract Original Data from a Fitted Point Process Model
summary.ppp

Summary of a Point Pattern Dataset
bounding.box

Bounding Box of a Window
Kmeasure

Reduced Second Moment Measure
harmonic

Basis for Harmonic Functions
as.mask

Pixel Image Approximation of a Window
summary.owin

Summary of a Spatial Window
owin.object

Class owin
rSSI

Simple Sequential Inhibition
spokes

Spokes pattern of dummy points
raster.x

Cartesian Coordinates for a Pixel Raster
distmap.owin

Distance Map of Window
corners

Corners of a rectangle
pairdist

Pairwise distances
rpoispp

Generate Poisson Point Pattern
setcov

Set Covariance of a Window
update.ppm

Update a Fitted Point Process Model
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
nndist

Nearest neighbour distances
spatstat.options

Internal Options in Spatstat Package
rotate.owin

Rotate a Window
plot.ppp

plot a Spatial Point Pattern
markcorr

Mark Correlation Function
ppp.object

Class of Point Patterns
rmh.ppm

Simulate from a Fitted Point Process Model
rotate

Rotate
gridcentres

Rectangular grid of points
expand.owin

Expand Window By Factor
rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.
plot.owin

Plot a Spatial Window
reach

Interaction Distance of a Point Process
pcf.fasp

Pair Correlation Function obtained from array of K functions
diameter

Diameter of a Window Frame
union.quad

Union of Data and Dummy Points
distmap

Distance Map
as.rectangle

Window Frame
plot.ppm

plot a Fitted Point Process Model
rMaternII

Simulate Matern Model II
hamster

Aherne's hamster tumour data
rThomas

Simulate Thomas Process
shift.owin

Apply Vector Translation To Window
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
pcf

Pair Correlation Function
predict.ppm

Prediction from a Fitted Point Process Model
runifpoint

Generate N Uniform Random Points
shift.ppp

Apply Vector Translation To Point Pattern