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


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Documentation for package `spatstat' version 1.11-3

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A B C D E F G H I J K L M N O P Q R S T U V misc

-- --

spatstat-package The Spatstat Package

-- --

%mark% Set or Reset the Marks in a Point Pattern

-- A --

affine Apply Affine Transformation
affine.owin Apply Affine Transformation To Window
affine.ppp Apply Affine Transformation To Point Pattern
affine.psp Apply Affine Transformation To Line Segment Pattern
allstats Calculate four standard summary functions of a point pattern.
alltypes Calculate Statistic for All Types in a Multitype Point Pattern
amacrine Hughes' Amacrine Cell Data
anemones Beadlet Anemones Data
angles.psp Orientation Angles of Line Segments
anova.ppm ANOVA for Fitted Point Process Models
ants Harkness-Isham ants' nests data
append.psp Combine Two Line Segment Patterns
applynbd Apply Function to Every Neighbourhood in a Point Pattern
area.owin Area of a Window
as.im Convert to Pixel Image
as.mask Pixel Image Approximation of a Window
as.matrix.im Convert Pixel Image to Matrix
as.owin Convert Data To Class owin
as.ppp Convert Data To Class ppp
as.psp Convert Data To Class psp
as.rectangle Window Frame

-- B --

bdist.pixels Distance to Boundary of Window
bdist.points Distance to Boundary of Window
bei Tropical rain forest trees
betacells Beta Ganglion Cells in Cat Retina
bounding.box Bounding Box of a Window or Point Pattern
bounding.box.xy Convex Hull of Points
bramblecanes Hutchings' Bramble Canes data

-- C --

cells Biological Cells Point Pattern
centroid.owin Centroid of a window
chorley Chorley-Ribble Cancer Data
clickpoly Interactively Define a Polygon
clickppp Interactively Add Points
coef.ppm Coefficients of Fitted Point Process Model
compatible.fv Test Whether Two Function Objects Are Compatible
compatible.im Test Whether Two Pixel Images Are Compatible
complement.owin Take Complement of a Window
concatxy Concatenate x,y Coordinate Vectors
contour.im Contour plot of pixel image
convexhull.xy Convex Hull of Points
copper Berman-Huntington points and lines data
corners Corners of a rectangle
crossdist Pairwise distances
crossdist.default Pairwise distances between two different sets of points
crossdist.ppp Pairwise distances between two different point patterns
crossdist.psp Pairwise distances between two different line segment patterns
crossing.psp Crossing Points of Two Line Segment Patterns
cut.im Convert Pixel Image from Numeric to Factor
cut.ppp Convert Point Pattern Marks from Numeric to Factor

-- D --

data.ppm Extract Original Data from a Fitted Point Process Model
default.dummy Generate a Default Pattern of Dummy Points
demopat Artificial Data Point Pattern
density.ppp Kernel Smoothed Intensity of Point Pattern
density.psp Kernel Smoothing of Line Segment Pattern
density.splitppp Kernel Smoothed Intensity of Split Point Pattern
diagnose.ppm Diagnostic Plots for Fitted Point Process Model
diameter Diameter of a Window
DiggleGratton Diggle-Gratton model
dilate.owin Dilate a Window
dirichlet.weights Compute Quadrature Weights Based on Dirichlet Tessellation
disc Circular Window
distmap Distance Map
distmap.owin Distance Map of Window
distmap.ppp Distance Map of Point Pattern
distmap.psp Distance Map of Line Segment Pattern
dummy.ppm Extract Dummy Points Used to Fit a Point Process Model
duplicated.ppp Determine Duplicated Points in a Spatial Point Pattern

-- E --

eem Exponential Energy Marks
empty.space Estimate the empty space function F
endpoints.psp Endpoints of Line Segment Pattern
envelope Simulation envelopes of summary function
erode.owin Erode a Window
eroded.areas Areas of Morphological Erosions
eval.fv Evaluate Expression Involving Functions
eval.im Evaluate Expression Involving Pixel Images
ewcdf Weighted Empirical Cumulative Distribution Function
expand.owin Expand Window By Factor

-- F --

fasp.object Function Arrays for Spatial Patterns
Fest Estimate the empty space function F
finpines Pine saplings in Finland.
fitted.ppm Fitted Conditional Intensity for Point Process Model
fv.object Data Frames of Function Values

-- G --

ganglia Beta Ganglion Cells in Cat Retina, Old Version
Gcross Multitype Nearest Neighbour Distance Function (i-to-j)
Gdot Multitype Nearest Neighbour Distance Function (i-to-any)
Gest Nearest Neighbour Distance Function G
Geyer Geyer's Saturation Point Process Model
Gmulti Marked Nearest Neighbour Distance Function
gridcenters Rectangular grid of points
gridcentres Rectangular grid of points
gridweights Compute Quadrature Weights Based on Grid Counts

-- H --

hamster Aherne's hamster tumour data
harmonic Basis for Harmonic Functions
hist.im Histogram of Pixel Values in an Image
humberside Humberside Data on Childhood Leukaemia and Lymphoma

-- I --

identify.ppp Identify Points in a Point Pattern
Iest Estimate the I-function
im Create a Pixel Image Object
im.object Class of Images
image.im Plot a Pixel Image
inside.owin Test Whether Points Are Inside A Window
interp.im Interpolate a Pixel Image
intersect.owin Intersection or Union of Two Windows
is.im Test Whether An Object Is A Pixel Image
is.marked Test Whether Marks Are Present
is.marked.ppm Test Whether A Point Process Model is Marked
is.marked.ppp Test Whether A Point Pattern is Marked
is.multitype Test whether Object is Multitype
is.multitype.ppm Test Whether A Point Process Model is Multitype
is.multitype.ppp Test Whether A Point Pattern is Multitype
is.owin Test Whether An Object Is A Window
is.ppm Test Whether An Object Is A Fitted Point Process Model
is.ppp Test Whether An Object Is A Point Pattern
is.subset.owin Determine Whether One Window is Contained In Another

-- J --

japanesepines Japanese Pines Point Pattern
Jcross Multitype J Function (i-to-j)
Jdot Multitype J Function (i-to-any)
Jest Estimate the J-function
Jmulti Marked J Function

-- K --

kaplan.meier Kaplan-Meier Estimator using Histogram Data
Kcross Multitype K Function (Cross-type)
Kcross.inhom Inhomogeneous Cross K Function
Kdot Multitype K Function (i-to-any)
Kdot.inhom Inhomogeneous Multitype K Dot Function
Kest K-function
Kest.fft K-function using FFT
Kinhom Inhomogeneous K-function
km.rs Kaplan-Meier and Reduced Sample Estimator using Histograms
Kmeasure Reduced Second Moment Measure
Kmulti Marked K-Function
ks.test.ppm Kolmogorov-Smirnov Test for Point Process Model

-- L --

lansing Lansing Woods Point Pattern
lengths.psp Lengths of Line Segments
LennardJones The Lennard-Jones Potential
letterR Window in Shape of Letter R
levelset Level Set of a Pixel Image
lgcp.estK Fit a Log-Gaussian Cox Point Process by Minimum Contrast
longleaf Longleaf Pines Point Pattern
lurking Lurking variable plot

-- M --

markcorr Mark Correlation Function
markstat Summarise Marks in Every Neighbourhood in a Point Pattern
matclust.estK Fit the Matern Cluster Point Process by Minimum Contrast
mean.im Mean Pixel Value in an Image
midpoints.psp Midpoints of Line Segment Pattern
mincontrast Method of Minimum Contrast
multiplicity.ppp Count Multiplicity of Duplicate Points
MultiStrauss The Multitype Strauss Point Process Model
MultiStraussHard The Multitype/Hard Core Strauss Point Process Model

-- N --

nbextras Point Patterns of New Brunswick Forest Fires
nbfires Point Patterns of New Brunswick Forest Fires
nbw.rect Point Patterns of New Brunswick Forest Fires
nearest.neighbour Nearest Neighbour Distance Function G
nearest.raster.point Find Pixel Nearest to a Given Point
nncorr Nearest-Neighbour Correlation of Marked Point Pattern
nncross Nearest Neighbour in Another Point Pattern
nndist Nearest neighbour distances
nnwhich Nearest neighbour
nztrees New Zealand Trees Point Pattern

-- O --

Ord Generic Ord Interaction model
ord.family Ord Interaction Process Family
OrdThresh Ord's Interaction model
owin Create a Window
owin.object Class owin

-- P --

pairdist Pairwise distances
pairdist.default Pairwise distances
pairdist.ppp Pairwise distances
pairdist.psp Pairwise distances between line segments
PairPiece The Piecewise Constant Pairwise Interaction Point Process Model
pairsat.family Saturated Pairwise Interaction Point Process Family
Pairwise Generic Pairwise Interaction model
pairwise.family Pairwise Interaction Process Family
pcf Pair Correlation Function
pcf.fasp Pair Correlation Function obtained from array of K functions
pcf.fv Pair Correlation Function obtained from K Function
pcf.ppp Pair Correlation Function of Point Pattern
persp.im Perspective Plot of Pixel Image
plot.diagppm Diagnostic Plots for Fitted Point Process Model
plot.fasp Plot a Function Array
plot.fv Plot Function Valuesn
plot.im Plot a Pixel Image
plot.listof Plot a List of Things
plot.owin Plot a Spatial Window
plot.plotppm Plot a plotppm Object Created by plot.ppm
plot.ppm plot a Fitted Point Process Model
plot.ppp plot a Spatial Point Pattern
plot.psp plot a Spatial Line Segment Pattern
plot.quad plot a Spatial Quadrature Scheme
plot.splitppp Plot a List of Point Patterns
Poisson Poisson Point Process Model
ppm Fit Point Process Model to Data
ppm.object Class of Fitted Point Process Models
ppp Create a Point Pattern
ppp.object Class of Point Patterns
pppdist Optimal Match Between Two Point Patterns
predict.ppm Prediction from a Fitted Point Process Model
print.im Print Brief Details of an Image
print.owin Print Brief Details of a Spatial Window
print.ppm Print a Fitted Point Process Model
print.ppp Print Brief Details of a Point Pattern Dataset
print.psp Print Brief Details of a Line Segment Pattern Dataset
print.quad Print a Quadrature Scheme
print.summary.im Summarizing a Pixel Image
print.summary.ppm Summarizing a Fitted Point Process Model
print.summary.quad Summarizing a Quadrature Scheme
profilepl Profile Maximum Pseudolikelihood
progressreport Print Progress Reports
psp Create a Line Segment Pattern
psp.object Class of Line Segment Patterns

-- Q --

qqplot.ppm Q-Q Plot of Residuals from Fitted Point Process Model
quad.object Class of Quadrature Schemes
quad.ppm Extract Quadrature Scheme Used to Fit a Point Process Model
quadrat.test Chi-Squared Dispersion Test for Spatial Point Pattern Based on Quadrat Counts
quadratcount Quadrat counting for a point pattern
quadscheme Generate a Quadrature Scheme from a Point Pattern
quantile.im Sample Quantiles of Pixel Image

-- R --

raster.x Cartesian Coordinates for a Pixel Raster
raster.y Cartesian Coordinates for a Pixel Raster
rcell Simulate Baddeley-Silverman Cell Process
reach Interaction Distance of a Point Process
reduced.sample Reduced Sample Estimator using Histogram Data
redwood California Redwoods Point Pattern (Ripley's Subset)
redwoodfull California Redwoods Point Pattern (Entire Dataset)
rescale Convert dataset to another unit of length
rescale.owin Convert Window to Another Unit of Length
rescale.ppp Convert Point Pattern to Another Unit of Length
rescale.psp Convert Line Segment Pattern to Another Unit of Length
rescue.rectangle Convert Window Back To Rectangle
residuals.ppm Residuals for Fitted Point Process Model
residualspaper Data and Code From JRSS Discussion Paper on Residuals
ripras Estimate window from points alone
rlabel Random Re-Labelling of Point Pattern
rMatClust Simulate Matern Cluster Process
rMaternI Simulate Matern Model I
rMaternII Simulate Matern Model II
rmh Simulate point patterns using the Metropolis-Hastings algorithm.
rmh.default Simulate Point Process Models using the Metropolis-Hastings Algorithm.
rmh.ppm Simulate from a Fitted Point Process Model
rmhcontrol Set Control Parameters for Metropolis-Hastings Algorithm.
rmhmodel Define Point Process Model for Metropolis-Hastings Simulation.
rmhmodel.default Build Point Process Model for Metropolis-Hastings Simulation.
rmhmodel.list Define Point Process Model for Metropolis-Hastings Simulation.
rmhmodel.ppm Interpret Fitted Model for Metropolis-Hastings Simulation.
rmhstart Determine Initial State for Metropolis-Hastings Simulation.
rmpoint Generate N Random Multitype Points
rmpoispp Generate Multitype Poisson Point Pattern
rNeymanScott Simulate Neyman-Scott Process
rotate Rotate
rotate.owin Rotate a Window
rotate.ppp Rotate a Point Pattern
rotate.psp Rotate a Line Segment Pattern
rpoint Generate N Random Points
rpoisline Generate Poisson Random Line Process
rpoispp Generate Poisson Point Pattern
rshift Random Shift
rshift.ppp Randomly Shift a Point Pattern
rshift.psp Randomly Shift a Line Segment Pattern
rshift.splitppp Randomly Shift a List of Point Patterns
rSSI Simulate Simple Sequential Inhibition
rstrat Simulate Stratified Random Point Pattern
rStrauss Perfect Simulation of the Strauss Process
rsyst Simulate systematic random point pattern
rthin Random Thinning
rThomas Simulate Thomas Process
runifdisc Generate N Uniform Random Points in a Disc
runifpoint Generate N Uniform Random Points

-- S --

Saturated Saturated Pairwise Interaction model
scanpp Read Point Pattern From Data File
selfcrossing.psp Crossing Points in a Line Segment Pattern
setcov Set Covariance of a Window
setmarks Set or Reset the Marks in a Point Pattern
shift Apply Vector Translation
shift.im Apply Vector Translation To Pixel Image
shift.owin Apply Vector Translation To Window
shift.ppp Apply Vector Translation To Point Pattern
shift.psp Apply Vector Translation To Line Segment Pattern
simdat Simulated Point Pattern
Softcore The Soft Core Point Process Model
solutionset Evaluate Logical Expression Involving Pixel Images and Return Region Where Expression is True
spatstat The Spatstat Package
spatstat.options Internal Options in Spatstat Package
split.ppp Divide Point Pattern into Sub-patterns
spokes Spokes pattern of dummy points
spruces Spruces Point Pattern
square Square Window
Strauss The Strauss Point Process Model
StraussHard The Strauss / Hard Core Point Process Model
subset.fasp Extract Subset of Function Array
subset.fv Extract Subset of Function Values
subset.im Extract Subset of Image
subset.ppp Extract or Replace Subset of Point Pattern
subset.psp Extract Subset of Line Segment Pattern
suffstat Sufficient Statistic of Point Process Model
summary.im Summarizing a Pixel Image
summary.listof Summary of a List of Things
summary.owin Summary of a Spatial Window
summary.ppm Summarizing a Fitted Point Process Model
summary.ppp Summary of a Point Pattern Dataset
summary.psp Summary of a Line Segment Pattern Dataset
summary.quad Summarizing a Quadrature Scheme
summary.splitppp Summary of a Split Point Pattern
superimpose Superimpose Several Point Patterns
swedishpines Swedish Pines Point Pattern

-- T --

thomas.estK Fit the Thomas Point Process by Minimum Contrast
trim.rectangle Cut margins from rectangle

-- U --

union.owin Intersection or Union of Two Windows
union.quad Union of Data and Dummy Points
unique.ppp Extract Unique Points from a Spatial Point Pattern
unit.square Square Window
units Name for Unit of Length
unmark Remove Marks from a Marked Point Pattern
update.ppm Update a Fitted Point Process Model

-- V --

vcov.ppm Variance-Covariance Matrix for a Fitted Point Process Model
vertices Vertices of a Window

-- misc --

[.fasp Extract Subset of Function Array
[.fv Extract Subset of Function Values
[.im Extract Subset of Image
[.listof Extract or Replace Subset of a List of Things
[.ppp Extract or Replace Subset of Point Pattern
[.psp Extract Subset of Line Segment Pattern
[.splitppp Extract or Replace Sub-Patterns