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spatstat (version 1.2-1)

Analysis of spatial point patterns

Description

Data analysis, model fitting and simulation of two-dimensional point patterns, including multitype/marked points and spatial covariates

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Version

Install

install.packages('spatstat')

Monthly Downloads

18,534

Version

1.2-1

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.2-1)

Gest

Nearest Neighbour Distance Function G
Geyer

Geyer's Saturation Point Process Model
as.ppp

Convert Data To Class ppp
bdist.pixels

Distance to Boundary of Window
Gdot

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

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

Reduced Second Moment Measure
MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model
MultiStrauss

The Multitype Strauss Point Process Model
kmrs

Kaplan-Meier and Reduced Sample Estimator using Histograms
default.dummy

Generate a Default Pattern of Dummy Points
Pairwise

Generic Pairwise Interaction model
Strauss

The Strauss Point Process Model
Poisson

Poisson Point Process Model
Ord

Generic Ord Interaction model
pcf

Pair Correlation Function
ganglia

Cat Retinal Ganglia Data
Fest

Estimate the empty space function F
rSSI

Simple Sequential Inhibition
as.owin

Convert Data To Class owin
bounding.box

Bounding Box of a Window
Gmulti

Marked Nearest Neighbour Distance Function
Softcore

The Soft Core Point Process Model
subset.fasp

Extract Subset of Function Array
Jcross

Multitype J Function (i-to-j)
affine.ppp

Apply Affine Transformation To Point Pattern
Jest

Estimate the J-function
im

Create a Pixel Image Object
Saturated

Saturated Pairwise Interaction model
spatstat-internal

Internal spatstat functions
corners

Corners of a rectangle
complement.owin

Take Complement of a Window
mpl

Fit Point Process Model by Maximum Pseudolikelihood
allstats

Calculate four standard summary functions of a point pattern.
amacrine

Hughes' Amacrine Cell Data
Kest.fft

K-function using FFT
Kcross

Multitype K Function (Cross-type)
Jdot

Multitype J Function (i-to-any)
area.owin

Area of a Window
cut.ppp

Convert Point Pattern Marks from Numeric to Factor
Jmulti

Marked J Function
shift.ppp

Apply Vector Translation To Point Pattern
gridcentres

Rectangular grid of points
plot.ppp

plot a Spatial Point Pattern
nearest.raster.point

Find Pixel Nearest to a Given Point
affine.owin

Apply Affine Transformation To Window
Kdot

Multitype K Function (i-to-any)
hamster

Aherne's hamster tumour data
union.quad

Union of Data and Dummy Points
Kinhom

Inhomogeneous K-function
rMaternII

Simulate Matern Model II
harmonic

Basis for Harmonic Functions
centroid.owin

Centroid of a window
rMatClust

Simulate Matern Cluster Process
ppm.object

Class of Fitted Point Process Models
subset.ppp

Extract Subset of Point Pattern
Kmulti

Marked K-Function
affine

Apply Affine Transformation
Kest

K-function
runifpoint

Generate N Uniform Random Points
print.owin

Print Brief Details of a Spatial Window
redwoodfull

California Redwoods Point Pattern (Entire Dataset)
conspire

Plot Together According to a Formula
as.mask

Pixel Image Approximation of a Window
as.rectangle

Window Frame
pairsat.family

Saturated Pairwise Interaction Point Process Family
OrdThresh

Ord's Interaction model
unmark

Remove Marks from a Marked Point Pattern
markcorr

Mark Correlation Function
swedishpines

Swedish Pines Point Pattern
diameter

Diameter of a Window Frame
alltypes

Calculate Statistic for All Types in a Multitype Point Pattern
DiggleGratton

Diggle-Gratton model
applynbd

Apply Function to Every Neighbourhood in a Point Pattern
gridweights

Compute Quadrature Weights Based on Grid Counts
eroded.areas

Areas of Morphological Erosions
rotate.owin

Rotate a Window
StraussHard

The Strauss / Hard Core Point Process Model
plot.fasp

Plot a Function Array
ppp

Create a Point Pattern
quad.object

Class of Quadrature Schemes
quadscheme

Generate a Quadrature Scheme from a Point Pattern
concatxy

Concatenate x,y Coordinate Vectors
raster.x

Cartesian Coordinates for a Pixel Raster
lansing

Lansing Woods Point Pattern
bramblecanes

Hutchings' Bramble Canes data
PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model
shift

Apply Vector Translation
erode.owin

Erode a Window
summary.ppp

Summary of a Point Pattern Dataset
im.object

Class of Images
inside.owin

Test Whether Points Are Inside A Window
cells

Biological Cells Point Pattern
bdist.points

Distance to Boundary of Window
plot.owin

Plot a Spatial Window
spatstat.options

Internal Options in Spatstat Package
owin

Create a Window
pairdist

Pairwise distances
ord.family

Ord Interaction Process Family
fasp.object

Function Arrays for Spatial Patterns
dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation
ripras

Estimate window from points alone
rMaternI

Simulate Matern Model I
print.ppm

Print a Fitted Point Process Model
demopat

Artificial Data Point Pattern
rNeymanScott

Simulate Neyman-Scott Process
ppp.object

Class of Point Patterns
shift.owin

Apply Vector Translation To Window
rmh

Simulate point patterns using the Metropolis-Hastings algorithm.
nztrees

New Zealand Trees Point Pattern
longleaf

Longleaf Pines Point Pattern
rotate

Rotate
reduced.sample

Reduced Sample Estimator using Histogram Data
predict.ppm

Prediction from a Fitted Point Process Model
summary.owin

Summary of a Spatial Window
rotate.ppp

Rotate a Point Pattern
nndist

Nearest neighbour distances
rpoispp

Generate Poisson Point Pattern
stratrand

Stratified random point pattern
pairwise.family

Pairwise Interaction Process Family
plot.ppm

plot a Fitted Point Process Model
superimpose

Superimpose Several Point Patterns
spokes

Spokes pattern of dummy points
rThomas

Simulate Thomas Process
redwood

California Redwoods Point Pattern (Ripley's Subset)
kaplan.meier

Kaplan-Meier Estimator using Histogram Data
simdat

Simulated Point Pattern
owin.object

Class owin
print.ppp

Print Brief Details of a Point Pattern Dataset