spatstat v1.20-1


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


Date 2010-07-26
License GPL (>= 2)
Packaged 2010-07-26 07:03:12 UTC; adrian
Repository CRAN
Date/Publication 2010-07-26 09:31:38

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