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spatstat (version 1.3-2)

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

21,281

Version

1.3-2

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.3-2)

DiggleGratton

Diggle-Gratton model
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
Jcross

Multitype J Function (i-to-j)
eroded.areas

Areas of Morphological Erosions
Poisson

Poisson Point Process Model
pairdist

Pairwise distances
bounding.box

Bounding Box of a Window
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
plot.ppm

plot a Fitted Point Process Model
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
shift.owin

Apply Vector Translation To Window
im.object

Class of Images
is.marked.ppm

Test Whether A Point Process Model is Marked
nearest.raster.point

Find Pixel Nearest to a Given Point
ppm.object

Class of Fitted Point Process Models
Pairwise

Generic Pairwise Interaction model
OrdThresh

Ord's Interaction model
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
complement.owin

Take Complement of a Window
StraussHard

The Strauss / Hard Core Point Process Model
as.mask

Pixel Image Approximation of a Window
longleaf

Longleaf Pines Point Pattern
pairwise.family

Pairwise Interaction Process Family
stratrand

Stratified random point pattern
cells

Biological Cells Point Pattern
rmh.ppm

Simulate from a Fitted Point Process Model
data.ppm

Extract Original Data from a Fitted Point Process Model
Kmeasure

Reduced Second Moment Measure
letterR

Window in Shape of Letter R
default.dummy

Generate a Default Pattern of Dummy Points
bdist.pixels

Distance to Boundary of Window
Gmulti

Marked Nearest Neighbour Distance Function
LennardJones

The Lennard-Jones Potential
ppp.object

Class of Point Patterns
as.ppp

Convert Data To Class ppp
kmrs

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

Function Arrays for Spatial Patterns
is.marked.ppp

Test Whether A Point Pattern is Marked
redwood

California Redwoods Point Pattern (Ripley's Subset)
rThomas

Simulate Thomas Process
rotate

Rotate
rpoispp

Generate Poisson Point Pattern
Gest

Nearest Neighbour Distance Function G
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
Saturated

Saturated Pairwise Interaction model
Fest

Estimate the empty space function F
unmark

Remove Marks from a Marked Point Pattern
im

Create a Pixel Image Object
print.ppp

Print Brief Details of a Point Pattern Dataset
print.ppm

Print a Fitted Point Process Model
shift.im

Apply Vector Translation To Pixel Image
swedishpines

Swedish Pines Point Pattern
Gcross

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

Geyer's Saturation Point Process Model
Kest.fft

K-function using FFT
affine.ppp

Apply Affine Transformation To Point Pattern
affine.owin

Apply Affine Transformation To Window
bdist.points

Distance to Boundary of Window
inside.owin

Test Whether Points Are Inside A Window
pairsat.family

Saturated Pairwise Interaction Point Process Family
Gdot

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

The Soft Core Point Process Model
Strauss

The Strauss Point Process Model
fitted.ppm

Fitted Conditional Intensity for Point Process Model
ganglia

Cat Retinal Ganglia Data
mpl

Fit Point Process Model by Maximum Pseudolikelihood
centroid.owin

Centroid of a window
rMatClust

Simulate Matern Cluster Process
gridweights

Compute Quadrature Weights Based on Grid Counts
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
simdat

Simulated Point Pattern
MultiStrauss

The Multitype Strauss Point Process Model
owin.object

Class owin
quadscheme

Generate a Quadrature Scheme from a Point Pattern
rNeymanScott

Simulate Neyman-Scott Process
rMaternII

Simulate Matern Model II
quad.object

Class of Quadrature Schemes
subset.im

Extract Subset of Image
shift.ppp

Apply Vector Translation To Point Pattern
harmonic

Basis for Harmonic Functions
shift

Apply Vector Translation
allstats

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

Identify Points in a Point Pattern
plot.ppp

plot a Spatial Point Pattern
union.quad

Union of Data and Dummy Points
ppp

Create a Point Pattern
rMaternI

Simulate Matern Model I
Ord

Generic Ord Interaction model
spatstat.options

Internal Options in Spatstat Package
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
rmh.default

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

Mark Correlation Function
hamster

Aherne's hamster tumour data
summary.ppp

Summary of a Point Pattern Dataset
Jest

Estimate the J-function
Kdot

Multitype K Function (i-to-any)
amacrine

Hughes' Amacrine Cell Data
as.rectangle

Window Frame
diameter

Diameter of a Window Frame
spatstat-internal

Internal spatstat functions
plot.fasp

Plot a Function Array
Kcross

Multitype K Function (Cross-type)
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
bramblecanes

Hutchings' Bramble Canes data
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
nndist

Nearest neighbour distances
rSSI

Simple Sequential Inhibition
reduced.sample

Reduced Sample Estimator using Histogram Data
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
is.marked

Test Whether Marks Are Present
square

Square Window
Jdot

Multitype J Function (i-to-any)
Jmulti

Marked J Function
Kest

K-function
corners

Corners of a rectangle
concatxy

Concatenate x,y Coordinate Vectors
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
ord.family

Ord Interaction Process Family
plot.owin

Plot a Spatial Window
predict.ppm

Prediction from a Fitted Point Process Model
print.owin

Print Brief Details of a Spatial Window
subset.ppp

Extract Subset of Point Pattern
erode.owin

Erode a Window
gridcentres

Rectangular grid of points
coef.ppm

Coefficients of Fitted Point Process Model
as.owin

Convert Data To Class owin
Kmulti

Marked K-Function
lansing

Lansing Woods Point Pattern
raster.x

Cartesian Coordinates for a Pixel Raster
nztrees

New Zealand Trees Point Pattern
conspire

Plot Together According to a Formula
rotate.owin

Rotate a Window
runifpoint

Generate N Uniform Random Points
summary.owin

Summary of a Spatial Window
owin

Create a Window
affine

Apply Affine Transformation
plot.quad

plot a Spatial Quadrature Scheme
area.owin

Area of a Window
quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model
spokes

Spokes pattern of dummy points
superimpose

Superimpose Several Point Patterns
ripras

Estimate window from points alone
subset.fasp

Extract Subset of Function Array
Kinhom

Inhomogeneous K-function
demopat

Artificial Data Point Pattern
pcf

Pair Correlation Function
rotate.ppp

Rotate a Point Pattern