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spatstat (version 1.4-4)

Analysis of spatial point patterns

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

1.4-4

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.4-4)

complement.owin

Take Complement of a Window
Jest

Estimate the J-function
allstats

Calculate four standard summary functions of a point pattern.
Kinhom

Inhomogeneous K-function
harmonic

Basis for Harmonic Functions
Pairwise

Generic Pairwise Interaction model
is.marked.ppm

Test Whether A Point Process Model is Marked
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
Jcross

Multitype J Function (i-to-j)
Geyer

Geyer's Saturation Point Process Model
as.im

Convert to Pixel Image
Fest

Estimate the empty space function F
Kmeasure

Reduced Second Moment Measure
Kcross

Multitype K Function (Cross-type)
as.ppp

Convert Data To Class ppp
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
OrdThresh

Ord's Interaction model
Gcross

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

Diggle-Gratton model
coef.ppm

Coefficients of Fitted Point Process Model
affine.owin

Apply Affine Transformation To Window
fv.object

Data Frames of Function Values
ganglia

Cat Retinal Ganglia Data
data.ppm

Extract Original Data from a Fitted Point Process Model
affine

Apply Affine Transformation
as.owin

Convert Data To Class owin
bdist.points

Distance to Boundary of Window
im

Create a Pixel Image Object
LennardJones

The Lennard-Jones Potential
Softcore

The Soft Core Point Process Model
plot.fasp

Plot a Function Array
nearest.raster.point

Find Pixel Nearest to a Given Point
bounding.box

Bounding Box of a Window
is.owin

Test Whether An Object Is A Window
hamster

Aherne's hamster tumour data
Ord

Generic Ord Interaction model
concatxy

Concatenate x,y Coordinate Vectors
affine.ppp

Apply Affine Transformation To Point Pattern
bdist.pixels

Distance to Boundary of Window
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
diameter

Diameter of a Window Frame
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
Gest

Nearest Neighbour Distance Function G
gridcentres

Rectangular grid of points
markcorr

Mark Correlation Function
Jdot

Multitype J Function (i-to-any)
bramblecanes

Hutchings' Bramble Canes data
fasp.object

Function Arrays for Spatial Patterns
is.marked

Test Whether Marks Are Present
is.marked.ppp

Test Whether A Point Pattern is Marked
intersect.owin

Intersection or Union of Two Windows
fitted.ppm

Fitted Conditional Intensity for Point Process Model
identify.ppp

Identify Points in a Point Pattern
is.im

Test Whether An Object Is A Pixel Image
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
predict.ppm

Prediction from a Fitted Point Process Model
stratrand

Stratified random point pattern
pcf

Pair Correlation Function
raster.x

Cartesian Coordinates for a Pixel Raster
rpoint

Generate N Random Points
Poisson

Poisson Point Process Model
ord.family

Ord Interaction Process Family
union.quad

Union of Data and Dummy Points
nndist

Nearest neighbour distances
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
mpl

Fit Point Process Model by Maximum Pseudolikelihood
rMaternI

Simulate Matern Model I
print.ppp

Print Brief Details of a Point Pattern Dataset
Kest.fft

K-function using FFT
demopat

Artificial Data Point Pattern
eroded.areas

Areas of Morphological Erosions
Strauss

The Strauss Point Process Model
subset.ppp

Extract Subset of Point Pattern
im.object

Class of Images
erode.owin

Erode a Window
plot.owin

Plot a Spatial Window
rMatClust

Simulate Matern Cluster Process
summary.ppm

Summarizing a Fitted Point Process Model
rotate.ppp

Rotate a Point Pattern
spatstat.options

Internal Options in Spatstat Package
gridweights

Compute Quadrature Weights Based on Grid Counts
owin.object

Class owin
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
ripras

Estimate window from points alone
print.quad

Print a Quadrature Scheme
subset.fv

Extract Subset of Function Values
rThomas

Simulate Thomas Process
print.im

Print Brief Details of an Image
Saturated

Saturated Pairwise Interaction model
pairdist

Pairwise distances
MultiStrauss

The Multitype Strauss Point Process Model
area.owin

Area of a Window
rmpoispp

Generate Multitype Poisson Point Pattern
plot.quad

plot a Spatial Quadrature Scheme
as.mask

Pixel Image Approximation of a Window
centroid.owin

Centroid of a window
Kmulti

Marked K-Function
cells

Biological Cells Point Pattern
spatstat-internal

Internal spatstat functions
Gmulti

Marked Nearest Neighbour Distance Function
amacrine

Hughes' Amacrine Cell Data
corners

Corners of a rectangle
Kdot

Multitype K Function (i-to-any)
as.rectangle

Window Frame
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
swedishpines

Swedish Pines Point Pattern
ppp

Create a Point Pattern
shift.owin

Apply Vector Translation To Window
lansing

Lansing Woods Point Pattern
rmh.default

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

Generate Poisson Point Pattern
summary.ppp

Summary of a Point Pattern Dataset
ppm.object

Class of Fitted Point Process Models
spokes

Spokes pattern of dummy points
quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model
summary.quad

Summarizing a Quadrature Scheme
pairwise.family

Pairwise Interaction Process Family
plot.ppp

plot a Spatial Point Pattern
runifpoint

Generate N Uniform Random Points
simdat

Simulated Point Pattern
shift

Apply Vector Translation
shift.im

Apply Vector Translation To Pixel Image
subset.im

Extract Subset of Image
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
rmpoint

Generate N Random Multitype Points
superimpose

Superimpose Several Point Patterns
summary.owin

Summary of a Spatial Window
rSSI

Simple Sequential Inhibition
rMaternII

Simulate Matern Model II
quad.object

Class of Quadrature Schemes
unmark

Remove Marks from a Marked Point Pattern
shift.ppp

Apply Vector Translation To Point Pattern
longleaf

Longleaf Pines Point Pattern
print.owin

Print Brief Details of a Spatial Window
rmh.ppm

Simulate from a Fitted Point Process Model
Kest

K-function
owin

Create a Window
reduced.sample

Reduced Sample Estimator using Histogram Data
summary.im

Summarizing a Pixel Image
subset.fasp

Extract Subset of Function Array
rotate.owin

Rotate a Window
quadscheme

Generate a Quadrature Scheme from a Point Pattern
default.dummy

Generate a Default Pattern of Dummy Points
is.ppp

Test Whether An Object Is A Point Pattern
is.ppm

Test Whether An Object Is A Fitted Point Process Model
plot.fv

Plot Function Valuesn
letterR

Window in Shape of Letter R
square

Square Window
ppp.object

Class of Point Patterns
is.subset.owin

Determine Whether One Window is Contained In Another
rotate

Rotate
km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms
plot.ppm

plot a Fitted Point Process Model
update.ppm

Update a Fitted Point Process Model
redwood

California Redwoods Point Pattern (Ripley's Subset)
print.ppm

Print a Fitted Point Process Model
StraussHard

The Strauss / Hard Core Point Process Model
rNeymanScott

Simulate Neyman-Scott Process
Gdot

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

Marked J Function
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
inside.owin

Test Whether Points Are Inside A Window
pairsat.family

Saturated Pairwise Interaction Point Process Family
nztrees

New Zealand Trees Point Pattern