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spatstat (version 1.8-5)

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

16,590

Version

1.8-5

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

March 22nd, 2025

Functions in spatstat (1.8-5)

Pairwise

Generic Pairwise Interaction model

Kdot.inhom

Inhomogeneous Multitype K Dot Function

affine.owin

Apply Affine Transformation To Window

Iest

Estimate the I-function

Jcross

Multitype J Function (i-to-j)

spatstat-deprecated

Deprecated spatstat functions

angles.psp

Orientation Angles of Line Segments

as.mask

Pixel Image Approximation of a Window

Kmulti

Marked K-Function

Kcross

Multitype K Function (Cross-type)

Kest

K-function

compatible.im

Test Whether Two Pixel Images Are Compatible

demopat

Artificial Data Point Pattern

compatible.fv

Test Whether Two Function Objects Are Compatible

Kdot

Multitype K Function (i-to-any)

Saturated

Saturated Pairwise Interaction model

fv.object

Data Frames of Function Values

MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model

Jdot

Multitype J Function (i-to-any)

OrdThresh

Ord's Interaction model

envelope

Simulation envelopes of summary function

diagnose.ppm

Diagnostic Plots for Fitted Point Process Model

data.ppm

Extract Original Data from a Fitted Point Process Model

cells

Biological Cells Point Pattern

bounding.box

Bounding Box of a Window

eval.fv

Evaluate Expression Involving Functions

allstats

Calculate four standard summary functions of a point pattern.

humberside

Humberside Data on Childhood Leukaemia and Lymphoma

crossdist.default

Pairwise distances between two different sets of points

Geyer

Geyer's Saturation Point Process Model

dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model

pairdist.default

Pairwise distances

coef.ppm

Coefficients of Fitted Point Process Model

StraussHard

The Strauss / Hard Core Point Process Model

density.ppp

Kernel Smoothed Intensity of Point Pattern

corners

Corners of a rectangle

hamster

Aherne's hamster tumour data

crossdist

Pairwise distances

complement.owin

Take Complement of a Window

distmap.psp

Distance Map of Line Segment Pattern

as.ppp

Convert Data To Class ppp

cut.ppp

Convert Point Pattern Marks from Numeric to Factor

fitted.ppm

Fitted Conditional Intensity for Point Process Model

distmap

Distance Map

endpoints.psp

Endpoints of Line Segment Pattern

Gest

Nearest Neighbour Distance Function G

eval.im

Evaluate Expression Involving Pixel Images

affine.psp

Apply Affine Transformation To Line Segment Pattern

is.owin

Test Whether An Object Is A Window

rMatClust

Simulate Matern Cluster Process

distmap.owin

Distance Map of Window

Fest

Estimate the empty space function F

Kest.fft

K-function using FFT

kaplan.meier

Kaplan-Meier Estimator using Histogram Data

is.marked

Test Whether Marks Are Present

as.psp

Convert Data To Class psp

crossdist.psp

Pairwise distances between two different line segment patterns

alltypes

Calculate Statistic for All Types in a Multitype Point Pattern

Jest

Estimate the J-function

anova.ppm

ANOVA for Fitted Point Process Models

eem

Exponential Energy Marks

DiggleGratton

Diggle-Gratton model

plot.ppm

plot a Fitted Point Process Model

Softcore

The Soft Core Point Process Model

ppm

Fit Point Process Model to Data

distmap.ppp

Distance Map of Point Pattern

is.ppm

Test Whether An Object Is A Fitted Point Process Model

finpines

Pine saplings in Finland.

im.object

Class of Images

plot.fasp

Plot a Function Array

japanesepines

Japanese Pines Point Pattern

ppp

Create a Point Pattern

amacrine

Hughes' Amacrine Cell Data

Gcross

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

nearest.raster.point

Find Pixel Nearest to a Given Point

ants

Harkness-Isham ants' nests data

Strauss

The Strauss Point Process Model

reduced.sample

Reduced Sample Estimator using Histogram Data

longleaf

Longleaf Pines Point Pattern

Ord

Generic Ord Interaction model

default.dummy

Generate a Default Pattern of Dummy Points

midpoints.psp

Midpoints of Line Segment Pattern

km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms

redwood

California Redwoods Point Pattern (Ripley's Subset)

is.ppp

Test Whether An Object Is A Point Pattern

lengths.psp

Lengths of Line Segments

Generate Poisson Point Pattern

inside.owin

Test Whether Points Are Inside A Window

LennardJones

The Lennard-Jones Potential

ord.family

Ord Interaction Process Family

rSSI

Simple Sequential Inhibition

rlabel

Random Re-Labelling of Point Pattern

Kcross.inhom

Inhomogeneous Cross K Function

Kinhom

Inhomogeneous K-function

markstat

Summarise Marks in Every Neighbourhood in a Point Pattern

rotate.psp

Rotate a Line Segment Pattern

density.psp

Kernel Smoothing of Line Segment Pattern

affine

Apply Affine Transformation

rThomas

Simulate Thomas Process

runifpoint

Generate N Uniform Random Points

plot.owin

Plot a Spatial Window

rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.

lansing

Lansing Woods Point Pattern

identify.ppp

Identify Points in a Point Pattern

diameter

Diameter of a Window Frame

quadscheme

Generate a Quadrature Scheme from a Point Pattern

rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.

nztrees

New Zealand Trees Point Pattern

as.owin

Convert Data To Class owin

print.psp

Print Brief Details of a Line Segment Pattern Dataset

fasp.object

Function Arrays for Spatial Patterns

summary.ppp

Summary of a Point Pattern Dataset

reach

Interaction Distance of a Point Process

Kmeasure

Reduced Second Moment Measure

plot.quad

plot a Spatial Quadrature Scheme

ganglia

Beta Ganglion Cells in Cat Retina, Old Version

as.rectangle

Window Frame

print.im

Print Brief Details of an Image

MultiStrauss

The Multitype Strauss Point Process Model

plot.psp

plot a Spatial Line Segment Pattern

Poisson

Poisson Point Process Model

Gdot

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

simdat

Simulated Point Pattern

bdist.points

Distance to Boundary of Window

ripras

Estimate window from points alone

gridcentres

Rectangular grid of points

gridweights

Compute Quadrature Weights Based on Grid Counts

affine.ppp

Apply Affine Transformation To Point Pattern

pairsat.family

Saturated Pairwise Interaction Point Process Family

summary.ppm

Summarizing a Fitted Point Process Model

rMaternI

Simulate Matern Model I

shift

Apply Vector Translation

psp.object

Class of Line Segment Patterns

PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model

plot.im

Plot a Pixel Image

subset.ppp

Extract or Replace Subset of Point Pattern

markcorr

Mark Correlation Function

Gmulti

Marked Nearest Neighbour Distance Function

rotate

Rotate

print.ppm

Print a Fitted Point Process Model

nndist

Nearest neighbour distances

is.im

Test Whether An Object Is A Pixel Image

residualspaper

Data and Code From JRSS Discussion Paper on Residuals

bramblecanes

Hutchings' Bramble Canes data

suffstat

Sufficient Statistic of Point Process Model

owin

Create a Window

split.ppp

Divide Point Pattern into Sub-patterns

rpoint

Generate N Random Points

plot.fv

Plot Function Valuesn

pairwise.family

Pairwise Interaction Process Family

rmh.default

Simulate Point Process Models using the Metropolis-Hastings Algorithm.

chorley

Chorley-Ribble Cancer Data

swedishpines

Swedish Pines Point Pattern

pcf.fasp

Pair Correlation Function obtained from array of K functions

intersect.owin

Intersection or Union of Two Windows

area.owin

Area of a Window

bdist.pixels

Distance to Boundary of Window

pcf.ppp

Pair Correlation Function of Point Pattern

centroid.owin

Centroid of a window

pcf.fv

Pair Correlation Function obtained from K Function

quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model

psp

Create a Line Segment Pattern

residuals.ppm

Residuals for Fitted Point Process Model

pairdist.psp

Pairwise distances between line segments

eroded.areas

Areas of Morphological Erosions

ppm.object

Class of Fitted Point Process Models

redwoodfull

California Redwoods Point Pattern (Entire Dataset)

rMaternII

Simulate Matern Model II

ppp.object

Class of Point Patterns

is.marked.ppp

Test Whether A Point Pattern is Marked

plot.splitppp

Plot a List of Point Patterns

shift.ppp

Apply Vector Translation To Point Pattern

rmh.ppm

Simulate from a Fitted Point Process Model

spruces

Spruces Point Pattern

as.im

Convert to Pixel Image

Create a Pixel Image Object

lurking

Lurking variable plot

plot.plotppm

Plot a plotppm Object Created by plot.ppm

copper

Berman-Huntington points and lines data

summary.im

Summarizing a Pixel Image

quad.object

Class of Quadrature Schemes

shift.psp

Apply Vector Translation To Line Segment Pattern

betacells

Beta Ganglion Cells in Cat Retina

predict.ppm

Prediction from a Fitted Point Process Model

rmpoint

Generate N Random Multitype Points

setcov

Set Covariance of a Window

rmhstart

Determine Initial State for Metropolis-Hastings Simulation.

is.marked.ppm

Test Whether A Point Process Model is Marked

print.quad

Print a Quadrature Scheme

square

Square Window

crossdist.ppp

Pairwise distances between two different point patterns

concatxy

Concatenate x,y Coordinate Vectors

unmark

Remove Marks from a Marked Point Pattern

plot.ppp

plot a Spatial Point Pattern

rotate.owin

Rotate a Window

quadratcount

Quadrat counting for a point pattern

update.ppm

Update a Fitted Point Process Model

spatstat

The Spatstat Package

rmh

Simulate point patterns using the Metropolis-Hastings algorithm.

rNeymanScott

Simulate Neyman-Scott Process

harmonic

Basis for Harmonic Functions

pcf

Pair Correlation Function

union.quad

Union of Data and Dummy Points

subset.im

Extract Subset of Image

letterR

Window in Shape of Letter R

pairdist.ppp

Pairwise distances

summary.owin

Summary of a Spatial Window

dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation

expand.owin

Expand Window By Factor

stratrand

Stratified random point pattern

shift.owin

Apply Vector Translation To Window

rotate.ppp

Rotate a Point Pattern

rescue.rectangle

Convert Window Back To Rectangle

spatstat-internal

Internal spatstat functions

shift.im

Apply Vector Translation To Pixel Image

qqplot.ppm

Q-Q Plot of Residuals from Fitted Point Process Model

spatstat.options

Internal Options in Spatstat Package

owin.object

Class owin

scanpp

Read Point Pattern From Data File

summary.psp

Summary of a Line Segment Pattern Dataset

is.subset.owin

Determine Whether One Window is Contained In Another

summary.quad

Summarizing a Quadrature Scheme

pairdist

Pairwise distances

superimpose

Superimpose Several Point Patterns

rtoro

Random Toroidal Shift of Point Pattern

print.owin

Print Brief Details of a Spatial Window

rmpoispp

Generate Multitype Poisson Point Pattern

raster.x

Cartesian Coordinates for a Pixel Raster

subset.psp

Extract Subset of Line Segment Pattern

subset.fasp

Extract Subset of Function Array

spokes

Spokes pattern of dummy points

setmarks

Set or Reset the Marks in a Point Pattern

subset.fv

Extract Subset of Function Values

applynbd

Apply Function to Every Neighbourhood in a Point Pattern

print.ppp

Print Brief Details of a Point Pattern Dataset