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spatstat (version 1.4-3)

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

1.4-3

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.4-3)

predict.ppm

Prediction from a Fitted Point Process Model
ppm.object

Class of Fitted Point Process Models
hamster

Aherne's hamster tumour data
Gest

Nearest Neighbour Distance Function G
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
Jdot

Multitype J Function (i-to-any)
print.im

Print Brief Details of an Image
Softcore

The Soft Core Point Process Model
alltypes

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

Apply Affine Transformation To Point Pattern
as.mask

Pixel Image Approximation of a Window
OrdThresh

Ord's Interaction model
Strauss

The Strauss Point Process Model
Kest.fft

K-function using FFT
amacrine

Hughes' Amacrine Cell Data
Fest

Estimate the empty space function F
complement.owin

Take Complement of a Window
fasp.object

Function Arrays for Spatial Patterns
as.owin

Convert Data To Class owin
Jmulti

Marked J Function
Poisson

Poisson Point Process Model
Kest

K-function
lansing

Lansing Woods Point Pattern
centroid.owin

Centroid of a window
MultiStraussHard

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

Test Whether Points Are Inside A Window
Jest

Estimate the J-function
Kmulti

Marked K-Function
Pairwise

Generic Pairwise Interaction model
is.subset.owin

Determine Whether One Window is Contained In Another
Kmeasure

Reduced Second Moment Measure
Geyer

Geyer's Saturation Point Process Model
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
LennardJones

The Lennard-Jones Potential
bdist.pixels

Distance to Boundary of Window
print.quad

Print a Quadrature Scheme
is.marked.ppm

Test Whether A Point Process Model is Marked
allstats

Calculate four standard summary functions of a point pattern.
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
Gmulti

Marked Nearest Neighbour Distance Function
affine.owin

Apply Affine Transformation To Window
Kcross

Multitype K Function (Cross-type)
erode.owin

Erode a Window
DiggleGratton

Diggle-Gratton model
im

Create a Pixel Image Object
demopat

Artificial Data Point Pattern
harmonic

Basis for Harmonic Functions
area.owin

Area of a Window
cells

Biological Cells Point Pattern
identify.ppp

Identify Points in a Point Pattern
nztrees

New Zealand Trees Point Pattern
superimpose

Superimpose Several Point Patterns
as.ppp

Convert Data To Class ppp
owin

Create a Window
affine

Apply Affine Transformation
is.marked

Test Whether Marks Are Present
as.im

Convert to Pixel Image
concatxy

Concatenate x,y Coordinate Vectors
im.object

Class of Images
corners

Corners of a rectangle
owin.object

Class owin
subset.fv

Extract Subset of Function Values
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
rpoint

Generate N Random Points
print.ppp

Print Brief Details of a Point Pattern Dataset
ppp

Create a Point Pattern
diameter

Diameter of a Window Frame
coef.ppm

Coefficients of Fitted Point Process Model
Ord

Generic Ord Interaction model
is.marked.ppp

Test Whether A Point Pattern is Marked
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
bramblecanes

Hutchings' Bramble Canes data
longleaf

Longleaf Pines Point Pattern
rNeymanScott

Simulate Neyman-Scott Process
rMaternI

Simulate Matern Model I
eroded.areas

Areas of Morphological Erosions
bdist.points

Distance to Boundary of Window
fv.object

Data Frames of Function Values
Gdot

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

Pair Correlation Function
bounding.box

Bounding Box of a Window
Jcross

Multitype J Function (i-to-j)
gridweights

Compute Quadrature Weights Based on Grid Counts
rmh.default

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

Saturated Pairwise Interaction model
unmark

Remove Marks from a Marked Point Pattern
rmh.ppm

Simulate from a Fitted Point Process Model
nndist

Nearest neighbour distances
shift.owin

Apply Vector Translation To Window
Gcross

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

Fit Point Process Model by Maximum Pseudolikelihood
MultiStrauss

The Multitype Strauss Point Process Model
quad.ppm

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

Fitted Conditional Intensity for Point Process Model
rotate.ppp

Rotate a Point Pattern
Kdot

Multitype K Function (i-to-any)
summary.ppp

Summary of a Point Pattern Dataset
subset.im

Extract Subset of Image
markcorr

Mark Correlation Function
ganglia

Cat Retinal Ganglia Data
runifpoint

Generate N Uniform Random Points
ppp.object

Class of Point Patterns
subset.ppp

Extract Subset of Point Pattern
plot.ppp

plot a Spatial Point Pattern
print.owin

Print Brief Details of a Spatial Window
km.rs

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

Update a Fitted Point Process Model
data.ppm

Extract Original Data from a Fitted Point Process Model
gridcentres

Rectangular grid of points
is.im

Test Whether An Object Is A Pixel Image
stratrand

Stratified random point pattern
plot.quad

plot a Spatial Quadrature Scheme
as.rectangle

Window Frame
plot.ppm

plot a Fitted Point Process Model
rmpoint

Generate N Random Multitype Points
summary.im

Summarizing a Pixel Image
plot.fasp

Plot a Function Array
union.quad

Union of Data and Dummy Points
shift.ppp

Apply Vector Translation To Point Pattern
ord.family

Ord Interaction Process Family
rThomas

Simulate Thomas Process
letterR

Window in Shape of Letter R
quad.object

Class of Quadrature Schemes
rMatClust

Simulate Matern Cluster Process
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
ksmooth.ppp

Kernel Smoothed Intensity of Point Pattern
rotate.owin

Rotate a Window
intersect.owin

Intersection or Union of Two Windows
spatstat-internal

Internal spatstat functions
subset.fasp

Extract Subset of Function Array
raster.x

Cartesian Coordinates for a Pixel Raster
StraussHard

The Strauss / Hard Core Point Process Model
shift.im

Apply Vector Translation To Pixel Image
shift

Apply Vector Translation
pairsat.family

Saturated Pairwise Interaction Point Process Family
reduced.sample

Reduced Sample Estimator using Histogram Data
quadscheme

Generate a Quadrature Scheme from a Point Pattern
print.ppm

Print a Fitted Point Process Model
rpoispp

Generate Poisson Point Pattern
is.ppp

Test Whether An Object Is A Point Pattern
rMaternII

Simulate Matern Model II
swedishpines

Swedish Pines Point Pattern
square

Square Window
is.owin

Test Whether An Object Is A Window
spatstat.options

Internal Options in Spatstat Package
plot.owin

Plot a Spatial Window
dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model
ripras

Estimate window from points alone
nearest.raster.point

Find Pixel Nearest to a Given Point
summary.quad

Summarizing a Quadrature Scheme
simdat

Simulated Point Pattern
rotate

Rotate
rmpoispp

Generate Multitype Poisson Point Pattern
plot.fv

Plot Function Valuesn
pairdist

Pairwise distances
rSSI

Simple Sequential Inhibition
default.dummy

Generate a Default Pattern of Dummy Points
summary.ppm

Summarizing a Fitted Point Process Model
pairwise.family

Pairwise Interaction Process Family
redwood

California Redwoods Point Pattern (Ripley's Subset)
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
summary.owin

Summary of a Spatial Window
spokes

Spokes pattern of dummy points
Kinhom

Inhomogeneous K-function
is.ppm

Test Whether An Object Is A Fitted Point Process Model