spatstat v1.20-5

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by Adrian Baddeley

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

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 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. Point process models can be fitted to point pattern data. Cluster type models are fitted by the method of minimum contrast. Very general Gibbs point process models can be fitted to point pattern data using a function ppm similar to lm or glm. Models may include dependence on covariates, interpoint interaction 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).

Functions in spatstat

Name Description
as.owin Convert Data To Class owin
as.hyperframe Convert Data to Hyperframe
bounding.box Bounding Box of a Window or Point Pattern
bdist.pixels Distance to Boundary of Window
complement.owin Take Complement of a Window
by.im Apply Function to Image Broken Down by Factor
compatible.im Test Whether Two Pixel Images Are Compatible
density.splitppp Kernel Smoothed Intensity of Split Point Pattern
discretise Safely Convert Point Pattern Window to Binary Mask
effectfun Compute Fitted Effect of a Spatial Covariate in a Point Process Model
by.ppp Apply a Function to a Point Pattern Broken Down by Factor
eem Exponential Energy Marks
crossdist.psp Pairwise distances between two different line segment patterns
diameter.owin Diameter of a Window
chop.tess Subdivide a Window or Tessellation using a Set of Lines
hist.im Histogram of Pixel Values in an Image
distmap.ppp Distance Map of Point Pattern
is.multitype.ppm Test Whether A Point Process Model is Multitype
expand.owin Expand Window By Factor
im.object Class of Images
boxx Multi-Dimensional Box
heather Diggle's Heather Data
is.marked Test Whether Marks Are Present
as.mask Pixel Image Approximation of a Window
mincontrast Method of Minimum Contrast
km.rs Kaplan-Meier and Reduced Sample Estimator using Histograms
bei Tropical rain forest trees
as.mask.psp Convert Line Segment Pattern to Binary Pixel Mask
collapse.fv Collapse Several Function Tables into One
delaunay Delaunay Triangulation of Point Pattern
bdist.points Distance to Boundary of Window
dirichlet.weights Compute Quadrature Weights Based on Dirichlet Tessellation
nbfires Point Patterns of New Brunswick Forest Fires
miplot Morishita Index Plot
fv.object Data Frames of Function Values
intersect.owin Intersection, Union or Set Subtraction of Two Windows
markstat Summarise Marks in Every Neighbourhood in a Point Pattern
bermantest Berman's Tests for Point Process Model
spatstat-internal Internal spatstat functions
pairdist.psp Pairwise distances between line segments
plot.ppm plot a Fitted Point Process Model
pairsat.family Saturated Pairwise Interaction Point Process Family
dirichlet Dirichlet Tessellation of Point Pattern
distmap.psp Distance Map of Line Segment Pattern
distmap.owin Distance Map of Window
cells Biological Cells Point Pattern
clickppp Interactively Add Points
nncorr Nearest-Neighbour Correlation Indices of Marked Point Pattern
plot.kppm Plot a fitted cluster point process
profilepl Profile Maximum Pseudolikelihood
clip.infline Intersect Infinite Straight Lines with a Window
is.empty Test Whether An Object Is Empty
erosion Morphological Erosion
lurking Lurking variable plot
dilated.areas Areas of Morphological Dilations
eval.im Evaluate Expression Involving Pixel Images
nztrees New Zealand Trees Point Pattern
as.hyperframe.ppx Extract coordinates and marks of multidimensional point pattern
centroid.owin Centroid of a window
pcf.fv Pair Correlation Function obtained from K Function
plot.owin Plot a Spatial Window
closing Morphological Closing
identify.psp Identify Segments in a Line Segment Pattern
quadratcount Quadrat counting for a point pattern
persp.im Perspective Plot of Pixel Image
markcorrint Mark Correlation Integral
hamster Aherne's hamster tumour data
deltametric Delta Metric
psp.object Class of Line Segment Patterns
fv Create a Function Value Table
pppmatching Create a Point Matching
pcfdot Multitype pair correlation function (i-to-any)
as.ppp Convert Data To Class ppp
identify.ppp Identify Points in a Point Pattern
as.polygonal Convert a Window to a Polygonal Window
incircle Find Largest Circle Inside Window
owin.object Class owin
betacells Beta Ganglion Cells in Cat Retina
fasp.object Function Arrays for Spatial Patterns
print.im Print Brief Details of an Image
dilation Morphological Dilation
bramblecanes Hutchings' Bramble Canes data
LennardJones The Lennard-Jones Potential
rescale.psp Convert Line Segment Pattern to Another Unit of Length
bounding.box.xy Convex Hull of Points
lengths.psp Lengths of Line Segments
blur Apply Gaussian Blur to a Pixel Image
longleaf Longleaf Pines Point Pattern
affine Apply Affine Transformation
clarkevans Clark and Evans Aggregation Index
integral.im Integral of a Pixel Image
ppp Create a Point Pattern
hyperframe Hyper Data Frame
rSSI Simulate Simple Sequential Inhibition
is.owin Test Whether An Object Is A Window
marks Marks of a Point Pattern
as.tess Convert Data To Tessellation
methods.pp3 Methods for three-dimensional point patterns
rmh.ppm Simulate from a Fitted Point Process Model
coef.ppm Coefficients of Fitted Point Process Model
is.im Test Whether An Object Is A Pixel Image
kppm Fit cluster point process model
lgcp.estpcf Fit a Log-Gaussian Cox Point Process by Minimum Contrast
colourmap Colour Lookup Tables
rmh Simulate point patterns using the Metropolis-Hastings algorithm.
plot.bermantest Plot Result of Berman Test
is.marked.ppp Test Whether A Point Pattern is Marked
is.multitype Test whether Object is Multitype
lut Lookup Tables
convexhull Convex Hull
markvario Mark Variogram
rlinegrid Generate grid of parallel lines with random displacement
plot.pp3 Plot a three-dimensional point pattern
runifpoint Generate N Uniform Random Points
rpoint Generate N Random Points
data.ppm Extract Original Data from a Fitted Point Process Model
nndist.ppx Nearest Neighbour Distances in Any Dimensions
nnwhich.ppx Nearest Neighbours in Any Dimensions
crossing.psp Crossing Points of Two Line Segment Patterns
ripras Estimate window from points alone
diameter Diameter of an Object
clickpoly Interactively Define a Polygon
nearestsegment Find Line Segment Nearest to Each Point
density.ppp Kernel Smoothed Intensity of Point Pattern
kaplan.meier Kaplan-Meier Estimator using Histogram Data
stieltjes Compute Integral of Function Against Cumulative Distribution
rshift Random Shift
box3 Three-Dimensional Box
latest.news Print News About Latest Version of Package
rpoispp3 Generate Poisson Point Pattern in Three Dimensions
contour.im Contour plot of pixel image
smooth.fv Apply Smoothing to Function Values
convexhull.xy Convex Hull of Points
is.ppp Test Whether An Object Is A Point Pattern
as.matrix.im Convert Pixel Image to Matrix
matchingdist Distance for a Point Pattern Matching
summary.ppp Summary of a Point Pattern Dataset
diagnose.ppm Diagnostic Plots for Fitted Point Process Model
diameter.boxx Geometrical Calculations for Multi-Dimensional Box
localpcf Local pair correlation function
crossdist.ppx Pairwise Distances Between Two Different Multi-Dimensional Point Patterns
pcfcross Multitype pair correlation function (cross-type)
rshift.splitppp Randomly Shift a List of Point Patterns
thomas.estK Fit the Thomas Point Process by Minimum Contrast
pixelquad Quadrature Scheme Based on Pixel Grid
discpartarea Area of Part of Disc
envelope.pp3 Simulation Envelopes of Summary Function for 3D Point Pattern
rMosaicSet Mosaic Random Set
shift.im Apply Vector Translation To Pixel Image
is.ppm Test Whether An Object Is A Fitted Point Process Model
plot.fv Plot Function Values
owin Create a Window
crossdist.default Pairwise distances between two different sets of points
Jmulti Marked J Function
smooth.ppp Spatial smoothing of observations at irregular points
crossdist Pairwise distances
cut.ppp Classify Points in a Point Pattern
markcorr Mark Correlation Function
default.expand Compute Expansion Window for Simulation
volume Volume of an Object
nncross Nearest Neighbours Between Two Patterns
plot.plotppm Plot a plotppm Object Created by plot.ppm
distfun Distance Map as a Function
kstest.ppm Kolmogorov-Smirnov Test for Point Process Model
shift.psp Apply Vector Translation To Line Segment Pattern
as.rectangle Window Frame
pcf.fasp Pair Correlation Function obtained from array of K functions
print.ppm Print a Fitted Point Process Model
pairdist.ppp Pairwise distances
rshift.ppp Randomly Shift a Point Pattern
ppx Multidimensional Space-Time Point Pattern
fitin.ppm Extract the Interaction from a Fitted Point Process Model
border Border Region of a Window
im Create a Pixel Image Object
plot.tess Plot a tessellation
with.hyperframe Evaluate an Expression in Each Row of a Hyperframe
unmark Remove Marks
duplicated.ppp Determine Duplicated Points in a Spatial Point Pattern
superimposePSP Superimpose Several Line Segment Patterns
harmonic Basis for Harmonic Functions
Kdot Multitype K Function (i-to-any)
levelset Level Set of a Pixel Image
gridweights Compute Quadrature Weights Based on Grid Counts
pairdist.default Pairwise distances
ponderosa Ponderosa Pine Tree Point Pattern
Fiksel The Fiksel Interaction
Poisson Poisson Point Process Model
fryplot Fry Plot of Point Pattern
plot.hyperframe Plot Entries in a Hyperframe
cbind.hyperframe Combine Hyperframes by Rows or by Columns
nnwhich Nearest neighbour
pointsOnLines Place Points Evenly Along Specified Lines
periodify Make Periodic Copies of a Spatial Pattern
distmap Distance Map
pp3 Three Dimensional Point Pattern
humberside Humberside Data on Childhood Leukaemia and Lymphoma
finpines Pine saplings in Finland.
ganglia Beta Ganglion Cells in Cat Retina, Old Version
residualspaper Data and Code From JRSS Discussion Paper on Residuals
Kcross Multitype K Function (Cross-type)
rotate Rotate
StraussHard The Strauss / Hard Core Point Process Model
pppdist Distance Between Two Point Patterns
plot.kstest Plot a Spatial Kolmogorov-Smirnov Test
rstrat Simulate Stratified Random Point Pattern
ewcdf Weighted Empirical Cumulative Distribution Function
selfcrossing.psp Crossing Points in a Line Segment Pattern
plot.envelope Plot a Simulation Envelope
npoints Number of Points in a Point Pattern
simplify.owin Approximate a Polygon by a Simpler Polygon
infline Infinite Straight Lines
progressreport Print Progress Reports
envelope Simulation Envelopes of Summary Function
istat Point and Click Interface for Exploratory Analysis of Point Pattern
amacrine Hughes' Amacrine Cell Data
rMatClust Simulate Matern Cluster Process
quadrat.test.splitppp Chi-Squared Test of CSR for Split Point Pattern
quadrats Divide Region into Quadrats
Lcross.inhom Inhomogeneous Cross Type L Function
is.convex Test Whether a Window is Convex
japanesepines Japanese Pines Point Pattern
areaLoss Difference of Disc Areas
residuals.ppm Residuals for Fitted Point Process Model
copper Berman-Huntington points and lines data
ord.family Ord Interaction Process Family
gridcentres Rectangular grid of points
intersect.tess Intersection of Two Tessellations
print.psp Print Brief Details of a Line Segment Pattern Dataset
rcell Simulate Baddeley-Silverman Cell Process
letterR Window in Shape of Letter R
midpoints.psp Midpoints of Line Segment Pattern
Gcross Multitype Nearest Neighbour Distance Function (i-to-j)
rescale.im Convert Pixel Image to Another Unit of Length
rotate.psp Rotate a Line Segment Pattern
is.marked.ppm Test Whether A Point Process Model is Marked
update.ppm Update a Fitted Point Process Model
lansing Lansing Woods Point Pattern
is.multitype.ppp Test Whether A Point Pattern is Multitype
plot.ppp plot a Spatial Point Pattern
pairdist.pp3 Pairwise distances in Three Dimensions
colourtools Convert and Compare Colours in Different Formats
rjitter Random Perturbation of a Point Pattern
osteo Osteocyte Lacunae Data: Replicated Three-Dimensional Point Patterns
plot.listof Plot a List of Things
rshift.psp Randomly Shift a Line Segment Pattern
pcfdot.inhom Inhomogeneous Multitype Pair Correlation Function (Type-i-To-Any-Type)
logLik.ppm Log Likelihood for Poisson Point Process Model
simulate.kppm Simulate a Fitted Cluster Point Process Model
bdist.tiles Distance to Boundary of Window
corners Corners of a rectangle
reach Interaction Distance of a Point Process
lgcp.estK Fit a Log-Gaussian Cox Point Process by Minimum Contrast
methods.box3 Methods for Three-Dimensional Box
mean.im Maximum, Minimum, Mean, Median, Range or Sum of Pixel Values in an Image
pairs.im Scatterplot Matrix for Pixel Images
Gest Nearest Neighbour Distance Function G
nnwhich.pp3 Nearest neighbours in three dimensions
rmh.default Simulate Point Process Models using the Metropolis-Hastings Algorithm.
with.fv Evaluate an Expression in a Function Table
pcf3est Pair Correlation Function of a Three-Dimensional Point Pattern
quadscheme Generate a Quadrature Scheme from a Point Pattern
Extract.listof Extract or Replace Subset of a List of Things
matclust.estpcf Fit the Matern Cluster Point Process by Minimum Contrast Using Pair Correlation
plot.colourmap Plot a Colour Map
Kinhom Inhomogeneous K-function
default.dummy Generate a Default Pattern of Dummy Points
rmhmodel.ppm Interpret Fitted Model for Metropolis-Hastings Simulation.
multiplicity.ppp Count Multiplicity of Duplicate Points
Iest Estimate the I-function
nearest.raster.point Find Pixel Nearest to a Given Point
matclust.estK Fit the Matern Cluster Point Process by Minimum Contrast
as.psp Convert Data To Class psp
rpoislinetess Poisson Line Tessellation
pixellate.psp Convert Line Segment Pattern to Pixel Image
concatxy Concatenate x,y Coordinate Vectors
spatstat-package The Spatstat Package
rknn Theoretical Distribution of Nearest Neighbour Distance
swedishpines Swedish Pines Point Pattern
methods.ppx Methods for Multidimensional Space-Time Point Patterns
print.owin Print Brief Details of a Spatial Window
spatstat.options Internal Options in Spatstat Package
union.quad Union of Data and Dummy Points
nndist.psp Nearest neighbour distances between line segments
pixellate Convert Spatial Object to Pixel Image
pairwise.family Pairwise Interaction Process Family
whist Weighted Histogram
pcf.ppp Pair Correlation Function of Point Pattern
psp Create a Line Segment Pattern
rotate.owin Rotate a Window
rpoisppOnLines Generate Poisson Point Pattern on Line Segments
connected Connected components of an image or window
perimeter Perimeter Length of Window
Softcore The Soft Core Point Process Model
split.im Divide Image Into Sub-images
nndist Nearest neighbour distances
quad.ppm Extract Quadrature Scheme Used to Fit a Point Process Model
murchison Murchison gold deposits
density.psp Kernel Smoothing of Line Segment Pattern
plot.quad plot a Spatial Quadrature Scheme
nndist.pp3 Nearest neighbour distances in three dimensions
split.ppp Divide Point Pattern into Sub-patterns
quantile.im Sample Quantiles of Pixel Image
suffstat Sufficient Statistic of Point Process Model
model.matrix.ppm Extract Design Matrix from Point Process Model
unique.ppp Extract Unique Points from a Spatial Point Pattern
summary.im Summarizing a Pixel Image
pairdist Pairwise distances
AreaInter The Area Interaction Point Process Model
opening Morphological Opening
Kest.fft K-function using FFT
spatstat-deprecated Deprecated spatstat functions
dummy.ppm Extract Dummy Points Used to Fit a Point Process Model
quadrat.test Chi-Squared Dispersion Test for Spatial Point Pattern Based on Quadrat Counts
applynbd Apply Function to Every Neighbourhood in a Point Pattern
ppm.object Class of Fitted Point Process Models
crossdist.ppp Pairwise distances between two different point patterns
rpoisppx Generate Poisson Point Pattern in Any Dimensions
rMaternI Simulate Matern Model I
reduced.sample Reduced Sample Estimator using Histogram Data
affine.ppp Apply Affine Transformation To Point Pattern
angles.psp Orientation Angles of Line Segments
plot.fasp Plot a Function Array
Pairwise Generic Pairwise Interaction model
rMosaicField Mosaic Random Field
simulate.ppm Simulate a Fitted Gibbs Point Process Model
Lest L-function
as.box3 Convert Data to Three-Dimensional Box
ppm Fit Point Process Model to Data
Gfox Foxall's Distance Functions
eval.fv Evaluate Expression Involving Functions
rGaussPoisson Simulate Gauss-Poisson Process
pixellate.ppp Convert Point Pattern to Pixel Image
rescale.owin Convert Window to Another Unit of Length
scanpp Read Point Pattern From Data File
Gdot Multitype Nearest Neighbour Distance Function (i-to-any)
runifdisc Generate N Uniform Random Points in a Disc
F3est Empty Space Function of a Three-Dimensional Point Pattern
quad.object Class of Quadrature Schemes
endpoints.psp Endpoints of Line Segment Pattern
sharpen Data Sharpening of Point Pattern
rmhcontrol Set Control Parameters for Metropolis-Hastings Algorithm.
rsyst Simulate systematic random point pattern
shift.owin Apply Vector Translation To Window
Linhom L-function
summary.splitppp Summary of a Split Point Pattern
quadratresample Resample a Point Pattern by Resampling Quadrats
summary.ppm Summarizing a Fitted Point Process Model
gpc2owin Convert Polygonal Region into Different Format
shift.ppp Apply Vector Translation To Point Pattern
shift Apply Vector Translation
as.data.frame.psp Coerce Line Segment Pattern to a Data Frame
redwood California Redwoods Point Pattern (Ripley's Subset)
Replace.im Reset Values in Subset of Image
redwoodfull California Redwoods Point Pattern (Entire Dataset)
inside.owin Test Whether Points Are Inside A Window
Ord Generic Ord Interaction model
vcov.ppm Variance-Covariance Matrix for a Fitted Point Process Model
rlabel Random Re-Labelling of Point Pattern
rNeymanScott Simulate Neyman-Scott Process
thomas.estpcf Fit the Thomas Point Process by Minimum Contrast
area.owin Area of a Window
allstats Calculate four standard summary functions of a point pattern.
simdat Simulated Point Pattern
model.images Compute Images of Constructed Covariates
solutionset Evaluate Logical Expression Involving Pixel Images and Return Region Where Expression is True
rmpoispp Generate Multitype Poisson Point Pattern
rmhstart Determine Initial State for Metropolis-Hastings Simulation.
rThomas Simulate Thomas Process
Extract.fasp Extract Subset of Function Array
pairdist.ppx Pairwise Distances in Any Dimensions
areaGain Difference of Disc Areas
pcf Pair Correlation Function
square Square Window
shapley Galaxies in the Shapley Supercluster
runifpointx Generate N Uniform Random Points in Any Dimensions
rpoisline Generate Poisson Random Line Process
tiles Extract List of Tiles in a Tessellation
rescale.ppp Convert Point Pattern to Another Unit of Length
rotate.ppp Rotate a Point Pattern
DiggleGatesStibbard Diggle-Gates-Stibbard Point Process Model
Extract.ppp Extract or Replace Subset of Point Pattern
vertices Vertices of a Window
Kmeasure Reduced Second Moment Measure
anemones Beadlet Anemones Data
Extract.tess Extract or Replace Subset of Tessellation
plot.psp plot a Spatial Line Segment Pattern
Fest Estimate the empty space function F
coords Extract Coordinates of a Spatial or Spatiotemporal Point Pattern
as.data.frame.hyperframe Coerce Hyperframe to Data Frame
update.kppm Update a Fitted Cluster Point Process Model
PairPiece The Piecewise Constant Pairwise Interaction Point Process Model
BadGey Hybrid Geyer Point Process Model
pcfinhom Inhomogeneous Pair Correlation Function
Kcross.inhom Inhomogeneous Cross K Function
markconnect Mark Connection Function
plot.splitppp Plot a List of Point Patterns
superimpose Superimpose Several Point Patterns
rStrauss Perfect Simulation of the Strauss Process
ants Harkness-Isham ants' nests data
trim.rectangle Cut margins from rectangle
disc Circular Window
Lcross Multitype L-function (cross-type)
rpoispp Generate Poisson Point Pattern
summary.psp Summary of a Line Segment Pattern Dataset
Ldot.inhom Inhomogeneous Multitype L Dot Function
Emark Diagnostics for random marking
Kest K-function
alltypes Calculate Summary Statistic for All Types in a Multitype Point Pattern
pppmatching.object Class of Point Matchings
as.data.frame.ppp Coerce Point Pattern to a Data Frame
summary.owin Summary of a Spatial Window
unitname Name for Unit of Length
nnclean Nearest Neighbour Clutter Removal
qqplot.ppm Q-Q Plot of Residuals from Fitted Point Process Model
Extract.fv Extract Subset of Function Values
raster.x Cartesian Coordinates for a Pixel Raster
as.data.frame.im Convert Pixel Image to Data Frame
ppp.object Class of Point Patterns
Extract.splitppp Extract or Replace Sub-Patterns
rthin Random Thinning
Extract.im Extract Subset of Image
SatPiece Piecewise Constant Saturated Pairwise Interaction Point Process Model
Geyer Geyer's Saturation Point Process Model
Gmulti Marked Nearest Neighbour Distance Function
Hest Spherical Contact Distribution Function
rmhmodel.default Build Point Process Model for Metropolis-Hastings Simulation.
G3est Nearest Neighbour Distance Distribution Function of a Three-Dimensional Point Pattern
Kmulti Marked K-Function
MultiStrauss The Multitype Strauss Point Process Model
Jest Estimate the J-function
eval.fasp Evaluate Expression Involving Function Arrays
rmhmodel.list Define Point Process Model for Metropolis-Hastings Simulation.
rmhmodel Define Point Process Model for Metropolis-Hastings Simulation.
predict.ppm Prediction from a Fitted Point Process Model
MultiStraussHard The Multitype/Hard Core Strauss Point Process Model
print.quad Print a Quadrature Scheme
adaptive.density Intensity Estimate of Point Pattern Using Tessellation
diameter.box3 Geometrical Calculations for Three-Dimensional Box
model.frame.ppm Extract the Environment of a Point Process Model
methods.distfun Methods for Distance Functions
K3est K-function of a Three-Dimensional Point Pattern
spruces Spruces Point Pattern
urkiola Urkiola Woods Point Pattern
tess Create a Tessellation
fitted.ppm Fitted Conditional Intensity for Point Process Model
compatible.fv Test Whether Two Function Objects Are Compatible
summary.quad Summarizing a Quadrature Scheme
append.psp Combine Two Line Segment Patterns
Ldot Multitype L-function (i-to-any)
inforder.family Infinite Order Interaction Family
Jdot Multitype J Function (i-to-any)
rmpoint Generate N Random Multitype Points
Kdot.inhom Inhomogeneous Multitype K Dot Function
Saturated Saturated Pairwise Interaction model
marktable Tabulate Marks in Neighbourhood of Every Point in a Point Pattern
localK Neighbourhood density function
Jcross Multitype J Function (i-to-j)
anova.ppm ANOVA for Fitted Point Process Models
methods.boxx Methods for Multi-Dimensional Box
interp.im Interpolate a Pixel Image
spokes Spokes pattern of dummy points
Hardcore The Hard Core Point Process Model
runifpoint3 Generate N Uniform Random Points in Three Dimensions
OrdThresh Ord's Interaction model
Strauss The Strauss Point Process Model
cut.im Convert Pixel Image from Numeric to Factor
Extract.quad Subset of Quadrature Scheme
as.im Convert to Pixel Image
bind.fv Combine Function Value Tables
bronzefilter Bronze gradient filter data
chorley Chorley-Ribble Cancer Data
compatible.fasp Test Whether Two Function Arrays Are Compatible
crossdist.pp3 Pairwise distances between two different three-dimensional point patterns
demopat Artificial Data Point Pattern
eroded.areas Areas of Morphological Erosions
iplot Point and Click Interface for Displaying a Point Pattern
is.subset.owin Determine Whether One Window is Contained In Another
pcfcross.inhom Inhomogeneous Multitype Pair Correlation Function (Cross-Type)
pixellate.owin Convert Window to Pixel Image
predict.kppm Prediction from a Fitted Cluster Point Process Model
plot.im Plot a Pixel Image
print.ppp Print Brief Details of a Point Pattern Dataset
project2segment Move Point To Nearest Line
rMaternII Simulate Matern Model II
setcov Set Covariance of a Window
runifpointOnLines Generate N Uniform Random Points On Line Segments
DiggleGratton Diggle-Gratton model
Extract.psp Extract Subset of Line Segment Pattern
rescue.rectangle Convert Window Back To Rectangle
rescale Convert dataset to another unit of length
summary.listof Summary of a List of Things
affine.owin Apply Affine Transformation To Window
affine.psp Apply Affine Transformation To Line Segment Pattern
Kscaled Locally Scaled K-function
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Date 2010-10-25
License GPL (>= 2)
URL http://www.spatstat.org
Packaged 2010-10-25 07:51:55 UTC; adrian
Repository CRAN
Date/Publication 2010-10-25 10:40:51

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