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spatstat (version 1.8-8)

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

14,637

Version

1.8-8

License

GPL version 2 or newer

Maintainer

Adrian Baddeley

Last Published

July 15th, 2024

Functions in spatstat (1.8-8)

residualspaper

Data and Code From JRSS Discussion Paper on Residuals

subset.ppp

Extract or Replace Subset of Point Pattern

unique.ppp

Extract Unique Points from a Spatial Point Pattern

update.ppm

Update a Fitted Point Process Model

union.quad

Union of Data and Dummy Points

swedishpines

Swedish Pines Point Pattern

DiggleGratton

Diggle-Gratton model

StraussHard

The Strauss / Hard Core Point Process Model

Kmeasure

Reduced Second Moment Measure

affine.ppp

Apply Affine Transformation To Point Pattern

bramblecanes

Hutchings' Bramble Canes data

as.owin

Convert Data To Class owin

eroded.areas

Areas of Morphological Erosions

envelope

Simulation envelopes of summary function

gridcentres

Rectangular grid of points

distmap

Distance Map

fitted.ppm

Fitted Conditional Intensity for Point Process Model

Jdot

Multitype J Function (i-to-any)

is.ppp

Test Whether An Object Is A Point Pattern

longleaf

Longleaf Pines Point Pattern

MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model

mean.im

Mean Pixel Value in an Image

Kmulti

Marked K-Function

as.im

Convert to Pixel Image

psp.object

Class of Line Segment Patterns

print.psp

Print Brief Details of a Line Segment Pattern Dataset

print.im

Print Brief Details of an Image

raster.x

Cartesian Coordinates for a Pixel Raster

rmh.default

Simulate Point Process Models using the Metropolis-Hastings Algorithm.

rotate.owin

Rotate a Window

rpoisline

Generate Poisson Random Line Process

rshift.psp

Randomly Shift a Line Segment Pattern

shift

Apply Vector Translation

crossdist.default

Pairwise distances between two different sets of points

shift.ppp

Apply Vector Translation To Point Pattern

spatstat.options

Internal Options in Spatstat Package

summary.psp

Summary of a Line Segment Pattern Dataset

distmap.psp

Distance Map of Line Segment Pattern

superimpose

Superimpose Several Point Patterns

duplicated.ppp

Determine Duplicated Points in a Spatial Point Pattern

fv.object

Data Frames of Function Values

intersect.owin

Intersection or Union of Two Windows

Create a Pixel Image Object

is.ppm

Test Whether An Object Is A Fitted Point Process Model

lansing

Lansing Woods Point Pattern

midpoints.psp

Midpoints of Line Segment Pattern

ord.family

Ord Interaction Process Family

is.marked.ppm

Test Whether A Point Process Model is Marked

pcf.fasp

Pair Correlation Function obtained from array of K functions

pairwise.family

Pairwise Interaction Process Family

plot.im

Plot a Pixel Image

pcf

Pair Correlation Function

plot.splitppp

Plot a List of Point Patterns

ppm.object

Class of Fitted Point Process Models

rMaternI

Simulate Matern Model I

quad.object

Class of Quadrature Schemes

reach

Interaction Distance of a Point Process

reduced.sample

Reduced Sample Estimator using Histogram Data

rlabel

Random Re-Labelling of Point Pattern

rmh.ppm

Simulate from a Fitted Point Process Model

rotate

Rotate

rshift.ppp

Randomly Shift a Point Pattern

Kest

K-function

setmarks

Set or Reset the Marks in a Point Pattern

subset.fasp

Extract Subset of Function Array

Gcross

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

bdist.pixels

Distance to Boundary of Window

crossdist.ppp

Pairwise distances between two different point patterns

fasp.object

Function Arrays for Spatial Patterns

hist.im

Histogram of Pixel Values in an Image

nearest.raster.point

Find Pixel Nearest to a Given Point

pairdist.psp

Pairwise distances between line segments

plot.ppp

plot a Spatial Point Pattern

print.owin

Print Brief Details of a Spatial Window

rThomas

Simulate Thomas Process

setcov

Set Covariance of a Window

summary.ppm

Summarizing a Fitted Point Process Model

Gdot

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

Geyer

Geyer's Saturation Point Process Model

Gest

Nearest Neighbour Distance Function G

Fest

Estimate the empty space function F

Gmulti

Marked Nearest Neighbour Distance Function

Iest

Estimate the I-function

Kdot

Multitype K Function (i-to-any)

Jcross

Multitype J Function (i-to-j)

Kdot.inhom

Inhomogeneous Multitype K Dot Function

OrdThresh

Ord's Interaction model

Kcross

Multitype K Function (Cross-type)

Poisson

Poisson Point Process Model

MultiStrauss

The Multitype Strauss Point Process Model

LennardJones

The Lennard-Jones Potential

Softcore

The Soft Core Point Process Model

angles.psp

Orientation Angles of Line Segments

Saturated

Saturated Pairwise Interaction model

affine

Apply Affine Transformation

allstats

Calculate four standard summary functions of a point pattern.

append.psp

Combine Two Line Segment Patterns

anova.ppm

ANOVA for Fitted Point Process Models

area.owin

Area of a Window

Pairwise

Generic Pairwise Interaction model

applynbd

Apply Function to Every Neighbourhood in a Point Pattern

Kinhom

Inhomogeneous K-function

as.rectangle

Window Frame

as.ppp

Convert Data To Class ppp

as.mask

Pixel Image Approximation of a Window

as.psp

Convert Data To Class psp

unmark

Remove Marks from a Marked Point Pattern

betacells

Beta Ganglion Cells in Cat Retina

bounding.box

Bounding Box of a Window

complement.owin

Take Complement of a Window

centroid.owin

Centroid of a window

compatible.im

Test Whether Two Pixel Images Are Compatible

concatxy

Concatenate x,y Coordinate Vectors

copper

Berman-Huntington points and lines data

data.ppm

Extract Original Data from a Fitted Point Process Model

cut.ppp

Convert Point Pattern Marks from Numeric to Factor

demopat

Artificial Data Point Pattern

crossdist

Pairwise distances

density.psp

Kernel Smoothing of Line Segment Pattern

diameter

Diameter of a Window Frame

dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation

dilate.owin

Dilate a Window

eem

Exponential Energy Marks

endpoints.psp

Endpoints of Line Segment Pattern

spatstat-deprecated

Deprecated spatstat functions

erode.owin

Erode a Window

density.ppp

Kernel Smoothed Intensity of Point Pattern

expand.owin

Expand Window By Factor

ganglia

Beta Ganglion Cells in Cat Retina, Old Version

distmap.ppp

Distance Map of Point Pattern

hamster

Aherne's hamster tumour data

Jest

Estimate the J-function

humberside

Humberside Data on Childhood Leukaemia and Lymphoma

inside.owin

Test Whether Points Are Inside A Window

Jmulti

Marked J Function

is.im

Test Whether An Object Is A Pixel Image

Ord

Generic Ord Interaction model

is.marked.ppp

Test Whether A Point Pattern is Marked

amacrine

Hughes' Amacrine Cell Data

im.object

Class of Images

alltypes

Calculate Statistic for All Types in a Multitype Point Pattern

Kcross.inhom

Inhomogeneous Cross K Function

finpines

Pine saplings in Finland.

spatstat-internal

Internal spatstat functions

cells

Biological Cells Point Pattern

bdist.points

Distance to Boundary of Window

distmap.owin

Distance Map of Window

compatible.fv

Test Whether Two Function Objects Are Compatible

corners

Corners of a rectangle

default.dummy

Generate a Default Pattern of Dummy Points

is.marked

Test Whether Marks Are Present

eval.im

Evaluate Expression Involving Pixel Images

japanesepines

Japanese Pines Point Pattern

gridweights

Compute Quadrature Weights Based on Grid Counts

km.rs

Kaplan-Meier and Reduced Sample Estimator using Histograms

markstat

Summarise Marks in Every Neighbourhood in a Point Pattern

letterR

Window in Shape of Letter R

kaplan.meier

Kaplan-Meier Estimator using Histogram Data

identify.ppp

Identify Points in a Point Pattern

markcorr

Mark Correlation Function

lurking

Lurking variable plot

is.owin

Test Whether An Object Is A Window

is.subset.owin

Determine Whether One Window is Contained In Another

owin

Create a Window

pcf.fv

Pair Correlation Function obtained from K Function

lengths.psp

Lengths of Line Segments

psp

Create a Line Segment Pattern

pairdist

Pairwise distances

multiplicity.ppp

Count Multiplicity of Duplicate Points

rMatClust

Simulate Matern Cluster Process

nztrees

New Zealand Trees Point Pattern

pairsat.family

Saturated Pairwise Interaction Point Process Family

shift.im

Apply Vector Translation To Pixel Image

pairdist.ppp

Pairwise distances

split.ppp

Divide Point Pattern into Sub-patterns

nndist

Nearest neighbour distances

rpoint

Generate N Random Points

spokes

Spokes pattern of dummy points

owin.object

Class owin

plot.owin

Plot a Spatial Window

pcf.ppp

Pair Correlation Function of Point Pattern

plot.fasp

Plot a Function Array

plot.fv

Plot Function Valuesn

plot.plotppm

Plot a plotppm Object Created by plot.ppm

plot.ppm

plot a Fitted Point Process Model

plot.quad

plot a Spatial Quadrature Scheme

ppp.object

Class of Point Patterns

plot.psp

plot a Spatial Line Segment Pattern

print.ppm

Print a Fitted Point Process Model

print.ppp

Print Brief Details of a Point Pattern Dataset

predict.ppm

Prediction from a Fitted Point Process Model

quad.ppm

Extract Quadrature Scheme Used to Fit a Point Process Model

qqplot.ppm

Q-Q Plot of Residuals from Fitted Point Process Model

quadratcount

Quadrat counting for a point pattern

ppp

Create a Point Pattern

rMaternII

Simulate Matern Model II

rSSI

Simple Sequential Inhibition

quadscheme

Generate a Quadrature Scheme from a Point Pattern

rNeymanScott

Simulate Neyman-Scott Process

rescue.rectangle

Convert Window Back To Rectangle

residuals.ppm

Residuals for Fitted Point Process Model

redwood

California Redwoods Point Pattern (Ripley's Subset)

rmpoispp

Generate Multitype Poisson Point Pattern

rmhstart

Determine Initial State for Metropolis-Hastings Simulation.

rmh

Simulate point patterns using the Metropolis-Hastings algorithm.

rmhmodel

Define Point Process Model for Metropolis-Hastings Simulation.

rmpoint

Generate N Random Multitype Points

ripras

Estimate window from points alone

rotate.ppp

Rotate a Point Pattern

ppm

Fit Point Process Model to Data

rotate.psp

Rotate a Line Segment Pattern

scanpp

Read Point Pattern From Data File

rshift.splitppp

Randomly Shift a List of Point Patterns

shift.owin

Apply Vector Translation To Window

runifpoint

Generate N Uniform Random Points

Stratified random point pattern

spruces

Spruces Point Pattern

shift.psp

Apply Vector Translation To Line Segment Pattern

summary.quad

Summarizing a Quadrature Scheme

spatstat

The Spatstat Package

summary.ppp

Summary of a Point Pattern Dataset

summary.im

Summarizing a Pixel Image

summary.owin

Summary of a Spatial Window

subset.psp

Extract Subset of Line Segment Pattern

subset.fv

Extract Subset of Function Values

rpoispp

Generate Poisson Point Pattern

affine.owin

Apply Affine Transformation To Window

Strauss

The Strauss Point Process Model

Kest.fft

K-function using FFT

PairPiece

The Piecewise Constant Pairwise Interaction Point Process Model

affine.psp

Apply Affine Transformation To Line Segment Pattern

ants

Harkness-Isham ants' nests data

coef.ppm

Coefficients of Fitted Point Process Model

chorley

Chorley-Ribble Cancer Data

diagnose.ppm

Diagnostic Plots for Fitted Point Process Model

dummy.ppm

Extract Dummy Points Used to Fit a Point Process Model

crossdist.psp

Pairwise distances between two different line segment patterns

eval.fv

Evaluate Expression Involving Functions

harmonic

Basis for Harmonic Functions

pairdist.default

Pairwise distances

print.quad

Print a Quadrature Scheme

rmhcontrol

Set Control Parameters for Metropolis-Hastings Algorithm.

redwoodfull

California Redwoods Point Pattern (Entire Dataset)

simdat

Simulated Point Pattern

suffstat

Sufficient Statistic of Point Process Model

subset.im

Extract Subset of Image