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spatstat (version 1.8-9)

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

1.8-9

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.8-9)

compatible.im

Test Whether Two Pixel Images Are Compatible

dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model

MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model

betacells

Beta Ganglion Cells in Cat Retina

default.dummy

Generate a Default Pattern of Dummy Points

Kcross

Multitype K Function (Cross-type)

is.marked.ppp

Test Whether A Point Pattern is Marked

plot.owin

Plot a Spatial Window

cut.ppp

Convert Point Pattern Marks from Numeric to Factor

Fest

Estimate the empty space function F

Ord

Generic Ord Interaction model

coef.ppm

Coefficients of Fitted Point Process Model

Gcross

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

PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model

angles.psp

Orientation Angles of Line Segments

ppm

Fit Point Process Model to Data

im.object

Class of Images

bramblecanes

Hutchings' Bramble Canes data

Kdot.inhom

Inhomogeneous Multitype K Dot Function

rmh

Simulate point patterns using the Metropolis-Hastings algorithm.

Kcross.inhom

Inhomogeneous Cross K Function

is.marked

Test Whether Marks Are Present

markstat

Summarise Marks in Every Neighbourhood in a Point Pattern

Kest.fft

K-function using FFT

anova.ppm

ANOVA for Fitted Point Process Models

erode.owin

Erode a Window

affine.owin

Apply Affine Transformation To Window

midpoints.psp

Midpoints of Line Segment Pattern

DiggleGratton

Diggle-Gratton model

amacrine

Hughes' Amacrine Cell Data

centroid.owin

Centroid of a window

fv.object

Data Frames of Function Values

is.marked.ppm

Test Whether A Point Process Model is Marked

bdist.points

Distance to Boundary of Window

affine.ppp

Apply Affine Transformation To Point Pattern

MultiStrauss

The Multitype Strauss Point Process Model

spruces

Spruces Point Pattern

spatstat

The Spatstat Package

rsyst

Systematic random point pattern

as.rectangle

Window Frame

levelset

Level Set of a Pixel Image

Gmulti

Marked Nearest Neighbour Distance Function

Softcore

The Soft Core Point Process Model

Jcross

Multitype J Function (i-to-j)

Saturated

Saturated Pairwise Interaction model

Iest

Estimate the I-function

lurking

Lurking variable plot

Poisson

Poisson Point Process Model

pcf.fasp

Pair Correlation Function obtained from array of K functions

affine

Apply Affine Transformation

subset.fasp

Extract Subset of Function Array

Gest

Nearest Neighbour Distance Function G

append.psp

Combine Two Line Segment Patterns

shift.psp

Apply Vector Translation To Line Segment Pattern

cells

Biological Cells Point Pattern

corners

Corners of a rectangle

crossdist.default

Pairwise distances between two different sets of points

density.ppp

Kernel Smoothed Intensity of Point Pattern

Pairwise

Generic Pairwise Interaction model

nearest.raster.point

Find Pixel Nearest to a Given Point

multiplicity.ppp

Count Multiplicity of Duplicate Points

pcf.ppp

Pair Correlation Function of Point Pattern

diagnose.ppm

Diagnostic Plots for Fitted Point Process Model

harmonic

Basis for Harmonic Functions

affine.psp

Apply Affine Transformation To Line Segment Pattern

longleaf

Longleaf Pines Point Pattern

setmarks

Set or Reset the Marks in a Point Pattern

is.ppm

Test Whether An Object Is A Fitted Point Process Model

distmap.ppp

Distance Map of Point Pattern

as.matrix.im

Convert Pixel Image to Matrix

markcorr

Mark Correlation Function

nztrees

New Zealand Trees Point Pattern

ppm.object

Class of Fitted Point Process Models

concatxy

Concatenate x,y Coordinate Vectors

solutionset

Evaluate Logical Expression Involving Pixel Images and Return Region Where Expression is True

pairsat.family

Saturated Pairwise Interaction Point Process Family

qqplot.ppm

Q-Q Plot of Residuals from Fitted Point Process Model

duplicated.ppp

Determine Duplicated Points in a Spatial Point Pattern

Strauss

The Strauss Point Process Model

density.psp

Kernel Smoothing of Line Segment Pattern

pairdist.default

Pairwise distances

unique.ppp

Extract Unique Points from a Spatial Point Pattern

square

Square Window

nndist

Nearest neighbour distances

rThomas

Simulate Thomas Process

rpoint

Generate N Random Points

predict.ppm

Prediction from a Fitted Point Process Model

pairdist.psp

Pairwise distances between line segments

Jest

Estimate the J-function

alltypes

Calculate Statistic for All Types in a Multitype Point Pattern

is.im

Test Whether An Object Is A Pixel Image

rescue.rectangle

Convert Window Back To Rectangle

ppp

Create a Point Pattern

ripras

Estimate window from points alone

japanesepines

Japanese Pines Point Pattern

eem

Exponential Energy Marks

plot.plotppm

Plot a plotppm Object Created by plot.ppm

quadscheme

Generate a Quadrature Scheme from a Point Pattern

rmpoispp

Generate Multitype Poisson Point Pattern

cut.im

Convert Pixel Image from Numeric to Factor

applynbd

Apply Function to Every Neighbourhood in a Point Pattern

rmpoint

Generate N Random Multitype Points

as.im

Convert to Pixel Image

vcov.ppm

Variance-Covariance Matrix for a Fitted Point Process Model

as.psp

Convert Data To Class psp

StraussHard

The Strauss / Hard Core Point Process Model

print.im

Print Brief Details of an Image

rotate.psp

Rotate a Line Segment Pattern

allstats

Calculate four standard summary functions of a point pattern.

quadrat.test

Chi-Squared Dispersion Test for Spatial Point Pattern Based on Quadrat Counts

quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model

simdat

Simulated Point Pattern

Kest

K-function

bounding.box

Bounding Box of a Window

rmh.ppm

Simulate from a Fitted Point Process Model

residuals.ppm

Residuals for Fitted Point Process Model

intersect.owin

Intersection or Union of Two Windows

rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.

pcf.fv

Pair Correlation Function obtained from K Function

pairwise.family

Pairwise Interaction Process Family

rSSI

Simple Sequential Inhibition

plot.fasp

Plot a Function Array

Apply Vector Translation To Point Pattern

eval.fv

Evaluate Expression Involving Functions

crossdist.psp

Pairwise distances between two different line segment patterns

union.quad

Union of Data and Dummy Points

raster.x

Cartesian Coordinates for a Pixel Raster

area.owin

Area of a Window

swedishpines

Swedish Pines Point Pattern

rMaternII

Simulate Matern Model II

complement.owin

Take Complement of a Window

rotate

Rotate

plot.quad

plot a Spatial Quadrature Scheme

expand.owin

Expand Window By Factor

envelope

Simulation envelopes of summary function

summary.owin

Summary of a Spatial Window

ppp.object

Class of Point Patterns

lansing

Lansing Woods Point Pattern

rshift.splitppp

Randomly Shift a List of Point Patterns

distmap.psp

Distance Map of Line Segment Pattern

quadratcount

Quadrat counting for a point pattern

reduced.sample

Reduced Sample Estimator using Histogram Data

rmh.default

Simulate Point Process Models using the Metropolis-Hastings Algorithm.

diameter

Diameter of a Window Frame

rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.

setcov

Set Covariance of a Window

pcf

Pair Correlation Function

summary.im

Summarizing a Pixel Image

chorley

Chorley-Ribble Cancer Data

copper

Berman-Huntington points and lines data

Generate Poisson Point Pattern

subset.fv

Extract Subset of Function Values

rshift.psp

Randomly Shift a Line Segment Pattern

summary.ppm

Summarizing a Fitted Point Process Model

ganglia

Beta Ganglion Cells in Cat Retina, Old Version

hist.im

Histogram of Pixel Values in an Image

subset.psp

Extract Subset of Line Segment Pattern

residualspaper

Data and Code From JRSS Discussion Paper on Residuals

LennardJones

The Lennard-Jones Potential

ants

Harkness-Isham ants' nests data

fitted.ppm

Fitted Conditional Intensity for Point Process Model

owin

Create a Window

bdist.pixels

Distance to Boundary of Window

unmark

Remove Marks from a Marked Point Pattern

print.psp

Print Brief Details of a Line Segment Pattern Dataset

Jdot

Multitype J Function (i-to-any)

subset.ppp

Extract or Replace Subset of Point Pattern

rlabel

Random Re-Labelling of Point Pattern

distmap.owin

Distance Map of Window

reach

Interaction Distance of a Point Process

quantile.im

Sample Quantiles of Pixel Image

eroded.areas

Areas of Morphological Erosions

crossdist

Pairwise distances

Geyer

Geyer's Saturation Point Process Model

Kmulti

Marked K-Function

rotate.ppp

Rotate a Point Pattern

endpoints.psp

Endpoints of Line Segment Pattern

lengths.psp

Lengths of Line Segments

summary.ppp

Summary of a Point Pattern Dataset

rotate.owin

Rotate a Window

shift.im

Apply Vector Translation To Pixel Image

compatible.fv

Test Whether Two Function Objects Are Compatible

rshift.ppp

Randomly Shift a Point Pattern

rmhstart

Determine Initial State for Metropolis-Hastings Simulation.

Create a Pixel Image Object

rstrat

Stratified random point pattern

Kmeasure

Reduced Second Moment Measure

as.ppp

Convert Data To Class ppp

inside.owin

Test Whether Points Are Inside A Window

print.quad

Print a Quadrature Scheme

is.subset.owin

Determine Whether One Window is Contained In Another

kaplan.meier

Kaplan-Meier Estimator using Histogram Data

fasp.object

Function Arrays for Spatial Patterns

mean.im

Mean Pixel Value in an Image

nncorr

Nearest-Neighbour Correlation of Marked Point Pattern

psp

Create a Line Segment Pattern

spatstat-deprecated

Deprecated spatstat functions

spokes

Spokes pattern of dummy points

plot.im

Plot a Pixel Image

data.ppm

Extract Original Data from a Fitted Point Process Model

nnwhich

Nearest neighbour

crossdist.ppp

Pairwise distances between two different point patterns

ord.family

Ord Interaction Process Family

finpines

Pine saplings in Finland.

psp.object

Class of Line Segment Patterns

humberside

Humberside Data on Childhood Leukaemia and Lymphoma

plot.fv

Plot Function Valuesn

hamster

Aherne's hamster tumour data

owin.object

Class owin

rMaternI

Simulate Matern Model I

scanpp

Read Point Pattern From Data File

print.ppm

Print a Fitted Point Process Model

plot.ppm

plot a Fitted Point Process Model

print.ppp

Print Brief Details of a Point Pattern Dataset

spatstat-internal

Internal spatstat functions

plot.psp

plot a Spatial Line Segment Pattern

gridweights

Compute Quadrature Weights Based on Grid Counts

rMatClust

Simulate Matern Cluster Process

superimpose

Superimpose Several Point Patterns

is.ppp

Test Whether An Object Is A Point Pattern

Kinhom

Inhomogeneous K-function

Kdot

Multitype K Function (i-to-any)

eval.im

Evaluate Expression Involving Pixel Images

spatstat.options

Internal Options in Spatstat Package

letterR

Window in Shape of Letter R

Gdot

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

OrdThresh

Ord's Interaction model

demopat

Artificial Data Point Pattern

as.mask

Pixel Image Approximation of a Window

suffstat

Sufficient Statistic of Point Process Model

redwood

California Redwoods Point Pattern (Ripley's Subset)

gridcentres

Rectangular grid of points

plot.splitppp

Plot a List of Point Patterns

as.owin

Convert Data To Class owin

split.ppp

Divide Point Pattern into Sub-patterns

shift

Apply Vector Translation

pairdist

Pairwise distances

update.ppm

Update a Fitted Point Process Model

summary.psp

Summary of a Line Segment Pattern Dataset

dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation

identify.ppp

Identify Points in a Point Pattern

rpoisline

Generate Poisson Random Line Process

plot.ppp

plot a Spatial Point Pattern

km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms

rshift

Random Shift

print.owin

Print Brief Details of a Spatial Window

is.owin

Test Whether An Object Is A Window

subset.im

Extract Subset of Image

summary.quad

Summarizing a Quadrature Scheme

quad.object

Class of Quadrature Schemes

rcell

Simulate Baddeley-Silverman Cell Process

runifpoint

Generate N Uniform Random Points

shift.owin

Apply Vector Translation To Window

rNeymanScott

Simulate Neyman-Scott Process

redwoodfull

California Redwoods Point Pattern (Entire Dataset)