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spatstat (version 1.26-0)

Spatial Point Pattern analysis, model-fitting, simulation, tests

Description

A package for analysing spatial data, mainly Spatial Point Patterns, including multitype/marked points and spatial covariates, in any two-dimensional spatial region. Also supports three-dimensional point patterns, and space-time point patterns in any number of dimensions. Contains over 1000 functions for plotting spatial data, exploratory data analysis, model-fitting, simulation, spatial sampling, model diagnostics, and formal inference. Data types include point patterns, line segment patterns, spatial windows, pixel images and tessellations. Exploratory methods include K-functions, nearest neighbour distance and empty space statistics, Fry plots, pair correlation function, kernel smoothed intensity, relative risk estimation with cross-validated bandwidth selection, mark correlation functions, segregation indices, mark dependence diagnostics etc. Point process models can be fitted to point pattern data using functions ppm, kppm, slrm similar to glm. Models may include dependence on covariates, interpoint interaction, cluster formation and dependence on marks. Fitted models can be simulated automatically. Also provides facilities for formal inference (such as chi-squared tests) and model diagnostics (including simulation envelopes, residuals, residual plots and Q-Q plots).

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Version

Install

install.packages('spatstat')

Monthly Downloads

17,668

Version

1.26-0

License

GPL (>= 2)

Maintainer

Adrian Baddeley

Last Published

April 8th, 2012

Functions in spatstat (1.26-0)

Subset of Quadrature Scheme

Marked Nearest Neighbour Distance Function

Reset Values in Subset of Image

Apply Affine Transformation To Window

The Area Interaction Point Process Model

DiggleGatesStibbard

Diggle-Gates-Stibbard Point Process Model

as.data.frame.hyperframe

Coerce Hyperframe to Data Frame

as.data.frame.psp

Coerce Line Segment Pattern to a Data Frame

Extract.splitppp

Extract or Replace Sub-Patterns

Extract Subset of Line Segment Pattern

Apply Function to Every Neighbourhood in a Point Pattern

Estimate the I-function

Hutchings' Bramble Canes data

Nearest Neighbour Distance Distribution Function of a Three-Dimensional Point Pattern

Bronze gradient filter data

Convert Data To Class ppp

Convert Pixel Image to Matrix or Array

Beta Ganglion Cells in Cat Retina

Interactively Add Points

Chorley-Ribble Cancer Data

Test Whether Function Objects Are Compatible

Estimate the empty space function F

Foxall's Distance Functions

Berman-Huntington points and lines data

Crossing Points of Two Line Segment Patterns

Colour Lookup Tables

Extract or Change Coordinates of a Spatial or Spatiotemporal Point Pattern

Interactively Define a Polygon

Pairwise distances

Inhomogeneous Multitype K Dot Function

Extract Subset of Function Array

Morphological Dilation

Distance to Boundary of Window

Extract or Replace Subset of Point Pattern

The Multitype Strauss Point Process Model

Distance Map of Line Segment Pattern

Evaluate Expression Involving Functions

Test Whether A Point Pattern is Marked

Interpolate a Pixel Image

Beta Ganglion Cells in Cat Retina, Old Version

Three-Dimensional Box

Convert Line Segment Pattern to Binary Pixel Mask

Test Whether Marks Are Present

Apply Affine Transformation To Line Segment Pattern

Fit Cluster or Cox Point Process Model

Fit a Log-Gaussian Cox Point Process by Minimum Contrast

Connected components of an image or window

Residual Diagnostics for Multiple Fitted Models

dirichlet.weights

Compute Quadrature Weights Based on Dirichlet Tessellation

Pairwise distances between two different three-dimensional point patterns

Subdivide a Window or Tessellation using a Set of Lines

Expand Window By Factor

Mark Connection Function

Nearest neighbour distances

plot.bermantest

Plot Result of Berman Test

Methods for Multi-Dimensional Box

Corners of a rectangle

Methods for Intensity Functions of Spatial Covariate

Distance Between Two Point Patterns

Prediction from a Fitted Cluster Point Process Model

Print a Quadrature Scheme

Class of Images

Convert Data to Numeric Values by Constructing Dummy Variables

Test Whether A Point Process Model is Marked

Create Point Pattern on Linear Network

The Fiksel Interaction

Extract Subset of Signed or Vector Measure

Analysis of Deviance for Spatial Logistic Regression Models

Marked K-Function

as.data.frame.ppp

Coerce Point Pattern to a Data Frame

Locally Scaled K-function

The Multitype Hard Core Point Process Model

Inhomogeneous Multitype L Dot Function

Bounding Box of a Window or Point Pattern

Apply Function to Image Broken Down by Factor

Multitype J Function (i-to-j)

K-function using FFT

Cross Validated Bandwidth Selection for Relative Risk Estimation

Fit the Neyman-Scott cluster process with Cauchy kernel

Plot a List of Things

Generic Pairwise Interaction model

Inhomogeneous Cross Type L Function

Border Region of a Window

Apply Gaussian Blur to a Pixel Image

Inhomogeneous K-function

Reduced Second Moment Measure

Distance Map as a Function

Convert and Compare Colours in Different Formats

Model Compensator of K Function

Centroid of a window

Geyer's Saturation Point Process Model

Test Whether a Window is Convex

Extract or Replace Subset of Tessellation

Empty Space Function of a Three-Dimensional Point Pattern

Recognise Stationary and Poisson Point Process Models

Humberside Data on Childhood Leukaemia and Lymphoma

crossdist.default

Pairwise distances between two different sets of points

Morphological Closing

Extract Original Data from a Fitted Point Process Model

Distance to Boundary of Window

edges2triangles

List Triangles in a Graph

The Hard Core Point Process Model

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

Classify Points in a Point Pattern

Residual K Function

Convert to Pixel Image

Multitype L-function (i-to-any)

Calculate Summary Statistic for All Types in a Multitype Point Pattern

K function of a model

envelope.envelope

Recompute Envelopes

Convert Data to Hyperframe

Intersect Infinite Straight Lines with a Window

Residual G Function

Collapse Several Function Tables into One

The Piecewise Constant Pairwise Interaction Point Process Model

Coefficients of Fitted Point Process Model

Hybrid Geyer Point Process Model

Diagnostics for random marking

Pairwise distances between two different line segment patterns

New Zealand Trees Point Pattern

Convert Data To Tessellation

The Strauss / Hard Core Point Process Model

Orientation Angles of Line Segments

Apply Affine Transformation To Point Pattern

Apply a Function to a Point Pattern Broken Down by Factor

Extract Subset of Image

Apply Affine Transformation

Kernel Smoothing of Line Segment Pattern

as.hyperframe.ppx

Extract coordinates and marks of multidimensional point pattern

Extract Subset of Function Values

Distance Map of Window

Extract or Replace Subset of a List of Things

Exponential Energy Marks

Hughes' Amacrine Cell Data

Extract the Interaction from a Fitted Point Process Model

as.data.frame.im

Convert Pixel Image to Data Frame

Berman's Tests for Point Process Model

Contour plot of pixel image

Generate a Default Pattern of Dummy Points

Combine Function Value Tables

Signed or Vector-Valued Measure

Combine Two Line Segment Patterns

Convex Hull of Points

Dirichlet Tessellation of Point Pattern

methods.distfun

Methods for Distance Functions

Piecewise Constant Saturated Pairwise Interaction Point Process Model

Model Compensator of Nearest Neighbour Function

Evaluate Expression Involving Pixel Images

Print Brief Details of a Line Segment Pattern Dataset

Kernel Smoothed Intensity of Point Pattern

Concatenate x,y Coordinate Vectors

adaptive.density

Intensity Estimate of Point Pattern Using Tessellation

Divide Region into Quadrats

Level Set of a Pixel Image

Marks of a Point Pattern

Pine saplings in Finland.

Multi-Dimensional Box

Plot a Fitted Spatial Logistic Regression

Scott's Rule for Bandwidth Selection for Kernel Density

Force Point Process Model to be Valid

Plot a tessellation

Geometrical Calculations for Three-Dimensional Box

Morphological Erosion

Multitype K Function (Cross-type)

clarkevans.test

Clark and Evans Test

Third order summary statistic

Test Whether Pixel Images Are Compatible

Distance Map of Point Pattern

Biological Cells Point Pattern

Cross Validated Bandwidth Selection for Spatial Smoothing

is.multitype.ppp

Test Whether A Point Pattern is Multitype

Interactively join vertices on a plot

Marked J Function

Calculate four standard summary functions of a point pattern.

Determine A Common Spatial Domain And Pixel Resolution

California Redwoods Point Pattern (Ripley's Subset)

Artificial Data Point Pattern

Circular Window

Determine Whether One Window is Contained In Another

Multitype L-function (cross-type)

density.splitppp

Kernel Smoothed Intensity of Split Point Pattern

Infinite Straight Lines

Weighted Empirical Cumulative Distribution Function

Saturated Pairwise Interaction model

Fit the Neyman-Scott cluster process with Cauchy kernel

Stoyan's Rule of Thumb for Bandwidth Selection

Pseudoscore Diagnostic For Fitted Model against General Alternative

Methods for Point Patterns on a Linear Network

Geometrical Calculations for Multi-Dimensional Box

Spatial Covariance of a Pixel Image

Convert Data to Three-Dimensional Box

Linear K Function

Longleaf Pines Point Pattern

Test whether Object is Multitype

Circumradius and Diameter of a Linear Network

Nearest Neighbour Distance Function G

Test Whether An Object Is A Point Pattern

Intersection of Two Tessellations

default.rmhcontrol

Set Default Control Parameters for Metropolis-Hastings Algorithm.

Cross Validated Bandwidth Selection for Kernel Density

Methods for Multidimensional Space-Time Point Patterns

Kaplan-Meier Estimator using Histogram Data

Fry Plot of Point Pattern

Influenza Virus Proteins

Delaunay Triangulation of Point Pattern

Area of Part of Disc

Poisson Point Process Model

Point and Click Interface for Displaying a Point Pattern

Smoothing Estimate of Covariate Transformation

The Soft Core Point Process Model

Compute Quadrature Weights Based on Grid Counts

Test Whether Objects Are Compatible

Identify Points in a Point Pattern

Methods for Linear Networks

Test Whether An Object Is A Window

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

Convert Pixel Image to Matrix

Pool Data from Several Ratio Objects

Clark and Evans Aggregation Index

Extract Dummy Points Used to Fit a Point Process Model

Pixel Image Approximation of a Window

Multitype J Function (i-to-any)

Diggle-Gratton model

Convert Data To Class psp

Lengths of Line Segments

Inhomogeneous Cross K Function

Fit the Matern Cluster Point Process by Minimum Contrast

bounding.box.xy

Convex Hull of Points

model.frame.ppm

Extract the Environment of a Point Process Model

Neighbourhood density function

Inhomogeneous Multitype Pair Correlation Function (Cross-Type)

Safely Convert Point Pattern Window to Binary Mask

Read Point Pattern From Data File

Difference of Disc Areas

Diameter of an Object

Areas of Morphological Erosions

Generate Poisson Point Pattern on Line Segments

Generate Poisson Point Pattern

Mosaic Random Field

Rotate a Line Segment Pattern

Summary of a Spatial Window

Print Brief Details of a Point Pattern Dataset

Exchange X and Y Coordinates

Log Likelihood and AIC for Point Process Model

Compute Expansion Window for Simulation

Kolmogorov-Smirnov Test for Point Process Model

Rotate a Point Pattern

The Strauss Point Process Model

Convert Data To Class owin

Class of Line Segment Patterns

Create Pixel Image on Linear Network

Fit a Log-Gaussian Cox Point Process by Minimum Contrast

Print News About Latest Version of Package

matclust.estpcf

Fit the Matern Cluster Point Process by Minimum Contrast Using Pair Correlation

Find Largest Circle Inside Window

ANOVA for Fitted Point Process Models

Intersection, Union or Set Subtraction of Two Windows

Plot a Function Array

Test Whether An Object Is Empty

Extract Interaction Structure

Influence Measure for Spatial Point Process Model

Compute Integral of Function Against Cumulative Distribution

Fitted Conditional Intensity for Point Process Model

Convert Spatial Object to Pixel Image

Cartesian Coordinates for a Pixel Raster

Simulate Thomas Process

Pair Correlation Function obtained from array of K functions

plot.influence.ppm

Plot Influence Measure

Coefficients of Fitted Spatial Logistic Regression Model

Mark Correlation Function

ANOVA for Fitted Point Process Models on Linear Network

Areas of Morphological Dilations

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

Nearest neighbours in three dimensions

MultiStraussHard

The Multitype/Hard Core Strauss Point Process Model

Convert Polygonal Region into Different Format

Pairwise distances

Theoretical Distribution of Nearest Neighbour Distance

Local pair correlation function

Cut margins from rectangle

Optimise Irregular Trend Parameters in Point Process Model

Distance to Boundary of Window

Hyper Data Frame

Integral of a Pixel Image

Data and Code From JRSS Discussion Paper on Residuals

Aherne's hamster tumour data

Convert Line Segment Pattern to Another Unit of Length

Create List of Plotting Layers

Nearest neighbour distances in three dimensions

spatstat-internal

Internal spatstat functions

Simulate point patterns using the Metropolis-Hastings algorithm.

Pair Correlation Function

Diameter of a Window

model.matrix.ppm

Extract Design Matrix from Point Process Model

Tabulate Marks in Neighbourhood of Every Point in a Point Pattern

Pairwise distances in Three Dimensions

Nearest-Neighbour Correlation Indices of Marked Point Pattern

Nearest Neighbour Clutter Removal

Identify Segments in a Line Segment Pattern

Plot a fitted cluster point process

Osteocyte Lacunae Data: Replicated Three-Dimensional Point Patterns

Plot a Spatial Window

Pairwise distances between two different point patterns

Update a Fitted Point Process Model

Random Perturbation of a Point Pattern

Marks of a Line Segment Pattern

Make Pixel Images Compatible

Gorilla Nesting Sites

Create a Linear Network

Methods for Units

Swedish Pines Point Pattern

Simulate Matern Model II

Spatial Logistic Regression

spatstat-deprecated

Deprecated spatstat functions

Basis for Harmonic Functions

Create a Function Value Table

Create a Window

Ord Interaction Process Family

Simulation Envelopes of Summary Function

nearest.raster.point

Find Pixel Nearest to a Given Point

Print a Fitted Point Process Model

Convert Window to Another Unit of Length

Simulate a Fitted Spatial Logistic Regression Model

runifpointOnLines

Generate N Uniform Random Points On Line Segments

Lansing Woods Point Pattern

Function Value Table

Generate Multitype Poisson Point Pattern

Perfect Simulation of the Diggle-Gates-Stibbard Process

Nearest Neighbours in Any Dimensions

Convert Pixel Image to Another Unit of Length

Nearest neighbour distances between line segments

Generate N Uniform Random Points in Three Dimensions

Convert Point Pattern to Pixel Image

Perimeter Length of Window

Function Arrays for Spatial Patterns

Simulate Matern Cluster Process

Harkness-Isham ants' nests data

Multitype pair correlation function (i-to-any)

Mark Correlation Integral

Method of Minimum Contrast

summary.splitppp

Summary of a Split Point Pattern

Data Sharpening of Point Pattern

Methods for Cluster Point Process Models

Plot a Simulation Envelope

Kaplan-Meier and Reduced Sample Estimator using Histograms

Sample Quantiles of Pixel Image

Test Whether An Object Is A Fitted Point Process Model

Set Covariance of a Window

Loglikelihood of Spatial Logistic Regression

Simulate Gauss-Poisson Process

Murchison gold deposits

Diggle's Heather Data

Estimate the J-function

Generate grid of parallel lines with random displacement

Place Points Evenly Along Specified Lines

Create a Line Segment Pattern

Compute Fitted Effect of a Spatial Covariate in a Point Process Model

Distance for a Point Pattern Matching

Number of Line Segments in a Line Segment Pattern

Print Progress Reports

Convert Window to Pixel Image

quadratresample

Resample a Point Pattern by Resampling Quadrats

compatible.fasp

Test Whether Function Arrays Are Compatible

Predict Point Process Model on Linear Network

Saturated Pairwise Interaction Point Process Family

Simulate a Fitted Cluster Point Process Model

Summarise Marks in Every Neighbourhood in a Point Pattern

Random Thinning

Nearest Neighbours Between Two Patterns

Smoothed Relative Density of Pairs of Covariate Values

Estimate Variance of Summary Statistic by Subdivision

Plot a three-dimensional point pattern

Dummy Function Returns Number of Points

spatstat-package

The Spatstat Package

Generate N Uniform Random Points in Any Dimensions

methods.rho2hat

Methods for Intensity Functions of Two Spatial Covariates

Poisson Point Process on a Linear Network

Sufficient Statistic of Point Process Model

Perfect Simulation of the Strauss-Hardcore Process

Predicted or Fitted Values from Spatial Logistic Regression

Create a Pixel Image Object

project2segment

Move Point To Nearest Line

Quadrat counting for a point pattern

Morphological Opening

Methods for three-dimensional point patterns

Simulate Simple Sequential Inhibition

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

Apply Vector Translation To Point Pattern

Fit Point Process Model to Point Pattern on Linear Network

Identify Covariates Involved in each Model Term

Multidimensional Space-Time Point Pattern

Generate N Uniform Random Points

Interaction Distance of a Point Process

Identify Pixelwise Maximum of Several Pixel Images

Extract Quadrature Scheme Used to Fit a Point Process Model

Simulate Point Process Models using the Metropolis-Hastings Algorithm.

Plot a Spatial Kolmogorov-Smirnov Test

Plot a List of Things

pppmatching.object

Class of Point Matchings

Fit the Thomas Point Process by Minimum Contrast

with.hyperframe

Evaluate an Expression in Each Row of a Hyperframe

Point Patterns of New Brunswick Forest Fires

Random Re-Labelling of Point Pattern

The Triplet Point Process Model

Nearest neighbour

Make Periodic Copies of a Spatial Pattern

Model Formulae for Gibbs Point Process Models

Nearest Neighbour Distances in Any Dimensions

Plot Pixel Image on Linear Network

Volume of an Object

Convert a Window to a Polygonal Window

Parameter influence measure

Name for Unit of Length

Create Colour-Valued Pixel Image

plot a Spatial Line Segment Pattern

Profile Maximum Pseudolikelihood

Q-Q Plot of Residuals from Fitted Point Process Model

Plot a linear network

Inverse-distance weighted smoothing of observations at irregular points

rescue.rectangle

Convert Window Back To Rectangle

Determine Initial State for Metropolis-Hastings Simulation.

Pair Correlation Function of a Three-Dimensional Point Pattern

Nonparametric Estimate of Spatially-Varying Relative Risk

Methods for Spatial Logistic Regression Models

Randomly Shift a Point Pattern

Compute Disc of Given Radius in Linear Network

Create a Tessellation

rmhmodel.default

Build Point Process Model for Metropolis-Hastings Simulation.

Beadlet Anemones Data

Generate N Random Points

Compute Areas of Tiles in a Tessellation

Set Control Parameters for Metropolis-Hastings Algorithm.

Methods for Three-Dimensional Box

Variance-Covariance Matrix for a Fitted Cluster Point Process Model

Apply Vector Translation To Line Segment Pattern

Simple Example of Linear Network

Apply Vector Translation To Pixel Image

Define Point Process Model for Metropolis-Hastings Simulation.

rPoissonCluster

Simulate Poisson Cluster Process

Summarizing a Fitted Point Process Model

inforder.family

Infinite Order Interaction Family

pairdist.default

Pairwise distances

Pairwise shortest-path distances between points on a linear network

Inhomogeneous Neighbourhood Density Function

Compute Quadratic Forms

Weighted kernel smoother

Fit the Thomas Point Process by Minimum Contrast

Morishita Index Plot

Interpret Fitted Model for Metropolis-Hastings Simulation.

Update a Fitted Cluster Point Process Model

Methods for Fitted Point Process Models on a Linear Network

Print Brief Details of a Spatial Window

Pseudoscore Diagnostic For Fitted Model against Area-Interaction Alternative

plot a Fitted Point Process Model

Find Line Segment Nearest to Each Point

Ponderosa Pine Tree Point Pattern

Plot a plotppm Object Created by plot.ppm

Class of Point Patterns

Uniform Random Points on a Linear Network

Simulate Neyman-Scott Point Process with Cauchy cluster kernel

Create a Point Pattern

Plot a Signed or Vector-Valued Measure

Inhomogeneous Linear Pair Correlation Function

Generate N Random Multitype Points

Spatial smoothing of observations at irregular points

Plot Function Values

multiplicity.ppp

Count Multiplicity of Duplicate Points

cbind.hyperframe

Combine Hyperframes by Rows or by Columns

Fitted Probabilities for Spatial Logistic Regression

Simulation Envelopes of Summary Function for 3D Point Pattern

Generate Poisson Point Pattern in Any Dimensions

Smooth a Signed or Vector-Valued Measure

Generic Ord Interaction model

selfcrossing.psp

Crossing Points in a Line Segment Pattern

Galaxies in the Shapley Supercluster

Class of Fitted Point Process Models

Diagnostic Plots for Fitted Point Process Model

Union of Data and Dummy Points

Three Dimensional Point Pattern

Spokes pattern of dummy points

Simulate Log-Gaussian Cox Process

Randomly Shift a Line Segment Pattern

Estimate window from points alone

Divide Image Into Sub-images

Test Whether Points Are Inside A Window

Approximate a Polygon by a Simpler Polygon

spatstat.options

Internal Options in Spatstat Package

Pseudoscore Diagnostic For Fitted Model against Saturation Alternative

Pair Correlation Function obtained from K Function

plot.leverage.ppm

Plot Leverage Function

Simulate Matern Model I

Simulate Neyman-Scott Point Process with Variance Gamma cluster kernel

Generate Poisson Point Pattern in Three Dimensions

Variance-Covariance Matrix for a Fitted Point Process Model

vargamma.estpcf

Fit the Neyman-Scott Cluster Point Process with Variance Gamma kernel

Summary of a Line Segment Pattern Dataset

Simulate a Fitted Gibbs Point Process Model

Print Brief Details of an Image

Class of Quadrature Schemes

Plot a Colour Map

Summarizing a Pixel Image

Area of a Window

Rounding of Pixel Values

Perfect Simulation of the Diggle-Gratton Process

Apply Vector Translation

Reduced Sample Estimator using Histogram Data

Rectangular grid of points

Simulate Stratified Random Point Pattern

Superimpose Several Geometric Patterns

Maximum, Minimum, Mean, Median, Range or Sum of Pixel Values in an Image

Ord's Interaction model

Leverage Measure for Spatial Point Process Model

Spherical Contact Distribution Function

Check Whether Point Process Model is Valid

Scatterplot Matrix for Pixel Images

Convert Line Segment Pattern to Pixel Image

scaletointerval

Rescale Data to Lie Between Specified Limits

Inhomogeneous Pair Correlation Function

Compute Images of Constructed Covariates

Quadrature Scheme Based on Pixel Grid

Summary of a List of Things

Simulate from a Fitted Point Process Model

Generate Poisson Random Line Process

Convert Function Value Table to Function

Fit the Neyman-Scott Cluster Point Process with Variance Gamma kernel

Evaluate an Expression in a Function Table

Extract List of Tiles in a Tessellation

Number of Points in a Point Pattern

Multitype pair correlation function (cross-type)

plot a Spatial Point Pattern

Point and Click Interface for Exploratory Analysis of Point Pattern

Convert Point Pattern to Another Unit of Length

plot.hyperframe

Plot Entries in a Hyperframe

Prediction from a Fitted Point Process Model

Residuals for Fitted Point Process Model

Plot a List of Point Patterns

Multitype K Function (i-to-any)

plot a Spatial Quadrature Scheme

Midpoints of Line Segment Pattern

Poisson Line Tessellation

Perfect Simulation of the Hardcore Process

Convert dataset to another unit of length

Simulate systematic random point pattern

Simulate Baddeley-Silverman Cell Process

Convert Pixel Image from Numeric to Factor

Divide Point Pattern into Sub-patterns

Extract Unique Points from a Spatial Point Pattern

Define Point Process Model for Metropolis-Hastings Simulation.

Fit Point Process Model to Data

Vertices of a Window

Chicago Street Crime Data

Envelope for Point Patterns on Linear Network

Endpoints of Line Segment Pattern

Perspective Plot of Pixel Image

Pool Data from Several Envelopes

Histogram of Pixel Values in an Image

K-function of a Three-Dimensional Point Pattern

Tropical rain forest trees

Evaluate Expression Involving Function Arrays

Rotate a Window

Pairwise Distances Between Two Different Multi-Dimensional Point Patterns

The Lennard-Jones Potential

Linear Pair Correlation Function

Difference of Disc Areas

Japanese Pines Point Pattern

is.multitype.ppm

Test Whether A Point Process Model is Multitype

complement.owin

Take Complement of a Window

Pool Data from Several Function Arrays

Inhomogeneous Linear K Function

Determine Duplicated Points in a Spatial Point Pattern

Create a Point Matching

Inhomogeneous Multitype Pair Correlation Function (Type-i-To-Any-Type)

quadrat.test.splitppp

Chi-Squared Test of CSR for Split Point Pattern

Pair Correlation Function of Point Pattern

Window in Shape of Letter R

Lurking variable plot

Test Whether An Object Is A Pixel Image

Pairwise distances

Summary of a Point Pattern Dataset

Apply Vector Translation To Window

Pairwise distances between line segments

Plot a Pixel Image

California Redwoods Point Pattern (Entire Dataset)

Simulate Neyman-Scott Process

Pairwise Distances in Any Dimensions

Mosaic Random Set

Spatial Scan Test

Urkiola Woods Point Pattern

pairwise.family

Pairwise Interaction Process Family

Triplet Interaction Family

Perfect Simulation of the Strauss Process

Summarizing a Quadrature Scheme

Simulated Point Pattern

Spruces Point Pattern

Apply Smoothing to Function Values

Weighted Histogram

rshift.splitppp

Randomly Shift a List of Point Patterns

Generate N Uniform Random Points in a Disc

Generate a Quadrature Scheme from a Point Pattern