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spatstat (version 1.6-4)

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

18,534

Version

1.6-4

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.6-4)

demopat

Artificial Data Point Pattern
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
bdist.points

Distance to Boundary of Window
lansing

Lansing Woods Point Pattern
raster.x

Cartesian Coordinates for a Pixel Raster
default.dummy

Generate a Default Pattern of Dummy Points
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
im

Create a Pixel Image Object
rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.
rotate

Rotate
Gcross

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

Multitype J Function (i-to-j)
Kmulti

Marked K-Function
area.owin

Area of a Window
rotate.owin

Rotate a Window
Jmulti

Marked J Function
bramblecanes

Hutchings' Bramble Canes data
Geyer

Geyer's Saturation Point Process Model
Jest

Estimate the J-function
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
LennardJones

The Lennard-Jones Potential
plot.quad

plot a Spatial Quadrature Scheme
Jdot

Multitype J Function (i-to-any)
corners

Corners of a rectangle
anova.ppm

ANOVA for Fitted Point Process Models
affine.ppp

Apply Affine Transformation To Point Pattern
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
amacrine

Hughes' Amacrine Cell Data
Kdot

Multitype K Function (i-to-any)
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
bounding.box

Bounding Box of a Window
Saturated

Saturated Pairwise Interaction model
envelope

Simulation envelopes of summary function
Kmeasure

Reduced Second Moment Measure
is.marked.ppp

Test Whether A Point Pattern is Marked
affine

Apply Affine Transformation
print.ppp

Print Brief Details of a Point Pattern Dataset
rmpoint

Generate N Random Multitype Points
OrdThresh

Ord's Interaction model
Kest

K-function
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
MultiStrauss

The Multitype Strauss Point Process Model
quadratcount

Quadrat counting for a point pattern
is.ppp

Test Whether An Object Is A Point Pattern
Gmulti

Marked Nearest Neighbour Distance Function
nztrees

New Zealand Trees Point Pattern
Gdot

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

Diameter of a Window Frame
Gest

Nearest Neighbour Distance Function G
Kcross

Multitype K Function (Cross-type)
as.owin

Convert Data To Class owin
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
affine.owin

Apply Affine Transformation To Window
Kinhom

Inhomogeneous K-function
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
finpines

Pine saplings in Finland.
Strauss

The Strauss Point Process Model
allstats

Calculate four standard summary functions of a point pattern.
plot.fasp

Plot a Function Array
nndist

Nearest neighbour distances
coef.ppm

Coefficients of Fitted Point Process Model
plot.fv

Plot Function Valuesn
summary.ppm

Summarizing a Fitted Point Process Model
Kest.fft

K-function using FFT
erode.owin

Erode a Window
rpoispp

Generate Poisson Point Pattern
rMaternII

Simulate Matern Model II
crossdist

Pairwise distances between two different point patterns
gridcentres

Rectangular grid of points
complement.owin

Take Complement of a Window
betacells

Beta Ganglion Cells in Cat Retina
fitted.ppm

Fitted Conditional Intensity for Point Process Model
hamster

Aherne's hamster tumour data
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
cells

Biological Cells Point Pattern
distmap

Distance Map
DiggleGratton

Diggle-Gratton model
identify.ppp

Identify Points in a Point Pattern
is.subset.owin

Determine Whether One Window is Contained In Another
distmap.owin

Distance Map of Window
is.marked

Test Whether Marks Are Present
pcf.fv

Pair Correlation Function obtained from K Function
copper

Berman-Huntington points and lines data
inside.owin

Test Whether Points Are Inside A Window
subset.ppp

Extract or Replace Subset of Point Pattern
longleaf

Longleaf Pines Point Pattern
markcorr

Mark Correlation Function
pcf.fasp

Pair Correlation Function obtained from array of K functions
print.owin

Print Brief Details of a Spatial Window
spatstat-deprecated

Deprecated spatstat functions
nearest.raster.point

Find Pixel Nearest to a Given Point
reduced.sample

Reduced Sample Estimator using Histogram Data
setcov

Set Covariance of a Window
pairdist

Pairwise distances
owin

Create a Window
eroded.areas

Areas of Morphological Erosions
ganglia

Beta Ganglion Cells in Cat Retina, Old Version
rotate.ppp

Rotate a Point Pattern
expand.owin

Expand Window By Factor
Pairwise

Generic Pairwise Interaction model
intersect.owin

Intersection or Union of Two Windows
ppm.object

Class of Fitted Point Process Models
pcf.ppp

Pair Correlation Function of Point Pattern
pairsat.family

Saturated Pairwise Interaction Point Process Family
spokes

Spokes pattern of dummy points
square

Square Window
is.owin

Test Whether An Object Is A Window
plot.ppm

plot a Fitted Point Process Model
pcf

Pair Correlation Function
is.marked.ppm

Test Whether A Point Process Model is Marked
owin.object

Class owin
rSSI

Simple Sequential Inhibition
plot.splitppp

Plot a List of Point Patterns
as.rectangle

Window Frame
rmh.ppm

Simulate from a Fitted Point Process Model
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
spatstat.options

Internal Options in Spatstat Package
im.object

Class of Images
concatxy

Concatenate x,y Coordinate Vectors
centroid.owin

Centroid of a window
rpoint

Generate N Random Points
rmhstart

Determine Initial State for Metropolis-Hastings Simulation.
ord.family

Ord Interaction Process Family
shift.owin

Apply Vector Translation To Window
ripras

Estimate window from points alone
data.ppm

Extract Original Data from a Fitted Point Process Model
rMatClust

Simulate Matern Cluster Process
stratrand

Stratified random point pattern
spatstat-internal

Internal spatstat functions
subset.fasp

Extract Subset of Function Array
shift

Apply Vector Translation
rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.
rThomas

Simulate Thomas Process
summary.owin

Summary of a Spatial Window
harmonic

Basis for Harmonic Functions
plot.im

Plot a Pixel Image
union.quad

Union of Data and Dummy Points
summary.im

Summarizing a Pixel Image
superimpose

Superimpose Several Point Patterns
reach

Interaction Distance of a Point Process
update.ppm

Update a Fitted Point Process Model
split.ppp

Divide Point Pattern into Sub-patterns
plot.ppp

plot a Spatial Point Pattern
redwood

California Redwoods Point Pattern (Ripley's Subset)
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
fv.object

Data Frames of Function Values
shift.im

Apply Vector Translation To Pixel Image
rmh.default

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

Generic Ord Interaction model
Poisson

Poisson Point Process Model
fasp.object

Function Arrays for Spatial Patterns
distmap.ppp

Distance Map of Point Pattern
Fest

Estimate the empty space function F
as.im

Convert to Pixel Image
shift.ppp

Apply Vector Translation To Point Pattern
setmarks

Set or Reset the Marks in a Point Pattern
predict.ppm

Prediction from a Fitted Point Process Model
quad.object

Class of Quadrature Schemes
swedishpines

Swedish Pines Point Pattern
rmpoispp

Generate Multitype Poisson Point Pattern
ppp.object

Class of Point Patterns
as.ppp

Convert Data To Class ppp
km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms
subset.im

Extract Subset of Image
plot.owin

Plot a Spatial Window
subset.fv

Extract Subset of Function Values
is.im

Test Whether An Object Is A Pixel Image
ppp

Create a Point Pattern
print.im

Print Brief Details of an Image
Softcore

The Soft Core Point Process Model
summary.ppp

Summary of a Point Pattern Dataset
is.ppm

Test Whether An Object Is A Fitted Point Process Model
ppm

Fit Point Process Model to Data
bdist.pixels

Distance to Boundary of Window
as.mask

Pixel Image Approximation of a Window
rMaternI

Simulate Matern Model I
print.quad

Print a Quadrature Scheme
gridweights

Compute Quadrature Weights Based on Grid Counts
plot.plotppm

Plot a plotppm Object Created by plot.ppm
print.ppm

Print a Fitted Point Process Model
quadscheme

Generate a Quadrature Scheme from a Point Pattern
StraussHard

The Strauss / Hard Core Point Process Model
letterR

Window in Shape of Letter R
pairwise.family

Pairwise Interaction Process Family
japanesepines

Japanese Pines Point Pattern
quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model
rNeymanScott

Simulate Neyman-Scott Process
runifpoint

Generate N Uniform Random Points
rescue.rectangle

Convert Window Back To Rectangle
summary.quad

Summarizing a Quadrature Scheme
unmark

Remove Marks from a Marked Point Pattern
scanpp

Read Point Pattern From Data File
simdat

Simulated Point Pattern
spruces

Spruces Point Pattern