spatstat

spatstat.core has been replaced by spatstat.explore and spatstat.model

2022-11-10T00:00:00+00:00

Today the package spatstat.core has been replaced by two packages,

spatstat.explore (containing functions for Exploratory Data Analysis)
spatstat.model (containing functions for statistical modelling and inference)

spatstat 3.0-2 released

2022-11-08T00:00:00+00:00

Today spatstat 3.0-2 has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Internal tweaks.

spatstat has been split into a family of packages

2020-12-14T00:00:00+00:00

The original spatstat package grew so large that CRAN required us to split it into several smaller packages.

In 2017 we created the sub-packages

spatstat.utils (containing basic utility functions)
spatstat.data (containing the datasets)

On 14 December 2020, we divided the remaining code into

spatstat.geom (containing geometrical objects, geometrical operations, distance measurement)
spatstat.core (containing the main functionality for statistical analysis and modelling)
spatstat.linnet (containing functionality for linear networks)
spatstat (umbrella package containing documentation)

spatstat 1.64-2 released

2020-11-04T00:00:00+00:00

Today spatstat 1.64-2 ‘NICKNAME’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now depends on the new package ‘spatstat.sparse’.
spatstat now depends on R version 3.5.0 or later.
Changed default value of ‘stringsAsFactors’.
predict.mppm now works for multitype point process models.
Improved handling of ‘newdata’ in predict.mppm.
More support for multi-dimensional patterns.
Bug fixes and minor improvements.

spatstat 1.64-1 released

2020-05-10T00:00:00+00:00

Today spatstat 1.64-1 ‘Geostrophic’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Important bug fix in vcov.ppm
Relative risk estimation may include case weights.

spatstat 1.64-0 released

2020-04-27T00:00:00+00:00

Today spatstat 1.64-0 ‘Susana Distancia’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Interactive graphics functions have been removed to a separate package.
spatstat no longer needs the packages ‘tcltk’ and ‘rpanel’.
The suggested package ‘maptools’ should be version 0.9-9 or later.
Important bug fix in density.ppp.
Add new vertices to a linear network.
Relative risk estimation on a network.
Leave-one-out density estimation on a network.
Improvements and extensions to linear networks code.
Improvements to ‘nndist’ methods.
Function lengths.psp has been renamed lengths_psp.
Bug fixes related to mppm.
Stability improvements.

spatstat 1.63-3 released

2020-03-01T00:00:00+00:00

Today spatstat 1.63-3 ‘Wet paint’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Minor changes for compatibility with future versions of R
Minor improvements

spatstat 1.63-2 released

2020-02-22T00:00:00+00:00

Today spatstat 1.63-2 ‘NICKNAME’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Minor changes to satisfy the package checker.

spatstat 1.63-1 released

2020-02-21T00:00:00+00:00

Today spatstat 1.63-1 ‘Made from recycled electrons’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Enhancement to plot.linim
Fill missing pixel values by taking the nearest defined pixel value.
Minor improvements and bug fixes.
spatstat now requires spatstat.utils version 1.17-0.

spatstat 1.63-0 released

2020-01-23T00:00:00+00:00

Today spatstat 1.63-0 ‘Space camouflage’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Compute minimum or maximum nearest-neighbour distance between each pair of types in a multitype point pattern.
Important bug fix in simulations of the multitype hard core process.
Numerous improvements and bug fixes.
Deprecated functions have been removed.

spatstat 1.62-2 released

2019-12-10T00:00:00+00:00

Today spatstat 1.62-2 ‘Shape-shifting lizard’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Urgent bug fixes and workarounds.

spatstat 1.62-1 released

2019-12-08T00:00:00+00:00

Today spatstat 1.62-1 ‘An update which will live in infamy’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now requires spatstat.utils version 1.15-0 and goftest version 1.2-2.
Nearest Neighbour Index function can now return mark values.
Important fix in Ripley isotropic correction.
Index of repulsion strength for determinantal point process models.
Nearest neighbours between two point patterns in any number of dimensions.
More options for handling bad simulation outcomes in envelope().
Bandwidth selectors warn about extreme values of bandwidth.
Tessellations on a linear network can now have marks.
New functions for simulating point processes on a linear network.
More functions for manipulating tessellations on a linear network.
mppm accepts case weights.
Bug fixes and minor improvements.

spatstat 1.62-0 released

2019-12-08T00:00:00+00:00

Today spatstat 1.62-0 ‘An update which will live in infamy’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat 1.61-0 released

2019-09-12T00:00:00+00:00

Today spatstat 1.61-0 ‘Puppy zoomies’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Fast kernel estimation on a linear network using 2D kernels.
Nonparametric maximum likelihood estimation of ‘rho’.
Extension of Scott’s rule for bandwidth selection.
Cross-validated bandwidth selection on a linear network.
More support for character-valued images.
Random thinning of clumps.
Bug fixes and minor improvements.

spatstat 1.60-0 released

2019-06-23T00:00:00+00:00

Today spatstat 1.60-0 ‘Swinging Sixties’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Random thinning and random labelling of spatial patterns extended to different types of pattern.
Confidence intervals for multitype K functions.
Envelopes for balanced two-stage test
Accelerated some code.
Minor bug fixes and improvements.
Package built under R 3.6.0.

spatstat 1.59-0 released

2019-03-22T00:00:00+00:00

Today spatstat 1.59-0 ‘NICKNAME’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Extensions to adaptive intensity estimators.
‘Dartboard’ tessellation using polar coordinates.
Performance improvements.
Minor improvements and bug fixes.

spatstat 1.58-2 released

2019-01-10T00:00:00+00:00

Today spatstat 1.58-2 ‘Not Even Wrong’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Venn diagram tessellation
Internal bug fixes.

spatstat 1.58-1 released

2019-01-10T00:00:00+00:00

Today spatstat 1.58-1 ‘Reliability You Can Count On’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Bug fixes.

spatstat 1.58-0 released

2019-01-09T00:00:00+00:00

Today spatstat 1.58-0 ‘Reliability You Can Count On’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Mark-mark scatter plot.
Standard error calculation for inverse-distance weighting
Minor improvements and extensions.

spatstat 1.57-1 released

2018-11-03T00:00:00+00:00

Today spatstat 1.57-1 ‘Cartoon Physics’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Bug fixes.

spatstat 1.57-0 released

2018-10-30T00:00:00+00:00

Today spatstat 1.57-0 ‘Zombie apocalypse’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Cronie-van Lieshout bandwidth selection.
Smoothing functions handle non-Gaussian kernels.
Infinite smoothing bandwidths permitted.
Positive confidence limits for rhohat.
Improved bivariate interpolation.
subset() method for line segment patterns.
Important bug fixes in rthin and density.ppp
Minor bug fixes and improvements.

spatstat 1.56-1 released

2018-07-27T00:00:00+00:00

Today spatstat 1.56-1 ‘Invisible Friend’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Improvements to infrastructure.
Bug fixes.

spatstat 1.56-0 released

2018-06-15T00:00:00+00:00

Today spatstat 1.56-0 ‘Bondi Tram’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Kernel estimate of intensity as a function(x,y)
Extract discrete and continuous components of a measure.
Improvements and extensions to leverage and influence code.
Plot a line segment pattern using line widths.
Find connected components of each tile in a tessellation.
Geometrical operations on ‘distfun’ objects.
Join vertices in a linear network.
Distance map and contact distribution for rectangular structuring element.
An infinite number of infinitesimal bugs has been detected and fixed.

spatstat 1.55-1 released

2018-04-05T00:00:00+00:00

Today spatstat 1.55-1 ‘Gamble Responsibly’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

More support for tessellations.
Improved support for linear networks.
Fixed longstanding bug in leverage and influence diagnostics.
Minor improvements and bug fixes.

spatstat 1.55-0 released

2018-01-29T00:00:00+00:00

Today spatstat 1.55-0 ‘Stunned Mullet’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Lurking variable plot for models fitted to several point patterns.
Improvements to code for class ‘mppm’.
Improvements to leverage and influence diagnostics.
Improved summary information for funxy and distfun objects.
Bug fixes and improvements.
Removed old warnings and deprecated functions.

spatstat 1.54-0 released

2017-11-21T00:00:00+00:00

Today spatstat 1.54-0 ‘Vacuous Mission Statement’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

New dataset ‘cetaceans’.
Gamma correction for colour maps and image plots.
Class ‘units’ has been renamed ‘unitname’ to avoid package collision.
Bug fix in leverage code
Tighter bounding box for psp, lpp, linnet objects.
Improved layout in plot.solist
Tools to increase colour saturation.
Connected components of a 3D point pattern.
Accelerated computations on linear networks.
Accelerated simulation of determinantal point processes.
Improved printing of 3D point patterns.
Minor corrections to handling of unitnames.

spatstat 1.53-2 released

2017-10-08T00:00:00+00:00

Today spatstat 1.53-2 ‘Quantum Entanglement’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Correction to ‘lohboot’
Improvements to ppm and update.ppm
Bug fixes and minor improvements.

spatstat 1.53-1 released

2017-09-28T00:00:00+00:00

Today spatstat 1.53-1 ‘Drongo’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Bug fix in plot.linim

spatstat 1.53-0 released

2017-09-23T00:00:00+00:00

Today spatstat 1.53-0 ‘Tinfoil Hat’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Numerous bug fixes for linear networks code.
spatstat now requires the sub-package ‘spatstat.data’ which contains the datasets.
Minor enhancements and bug fixes.

spatstat 1.52-1 released

2017-08-16T00:00:00+00:00

Today spatstat 1.52-1 ‘Apophenia’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Bug fix to satisfy the development version of R.

spatstat 1.52-0 released

2017-08-10T00:00:00+00:00

Today spatstat 1.52-0 ‘Rudimentary Lathe’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Important bug fixes.
Now handles disconnected linear networks.
Effect function is now available for all types of fitted model.
A model can be fitted or re-fitted to a sub-region of data.
More support for measures.
‘Pool’ operations improved.
Geometric-mean smoothing.
Changed algorithm defaults in ippm.

spatstat 1.51-0 released

2017-05-08T00:00:00+00:00

Today spatstat 1.51-0 ‘Poetic Licence’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

New fast algorithm for kernel smoothing on a linear network.
Leverage and influence diagnostics extended to Poisson/Gibbs models fitted by logistic composite likelihood.
Two-stage Monte Carlo test.
Dirichlet/Voronoi tessellation on a linear network.
Thinning of point patterns on a linear network.
More support for functions and tessellations on a linear network.
Improvements and bug fixes.

spatstat 1.50-0 released

2017-03-23T00:00:00+00:00

Today spatstat 1.50-0 ‘Bunyip Aristocracy’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now ‘Imports’ the package ‘spatstat.utils’.
Bandwidth selection for pair correlation function.
Improvements and bug fixes.

spatstat 1.49-0 released

2017-02-08T00:00:00+00:00

Today spatstat 1.49-0 ‘So-Called Software’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now ‘Suggests’ the package ‘fftwtools’.
Operations on signed measures.
Operations on lists of pixel images.
Improved pixellation of point patterns.
Stieltjes integral extended.
Subset operators extended.
Greatly accelerated ‘rmh’ when using ‘nsave’
Some computations accelerated.
Size of namespace reduced, for efficiency.
Bug fixes.

spatstat 1.48-0 released

2016-12-22T00:00:00+00:00

Today spatstat 1.48-0 ‘Model Prisoner’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Sufficient Dimension Reduction for point processes.
Alternating Gibbs Sampler for point process simulation.
Intensity approximation for area-interaction and Geyer models.
New class of spatially sampled functions.
ROC and AUC extended to other types of point patterns and models.
More support for linear networks.
More support for infinite straight lines.
Simulation of ‘rhohat’ objects.
Kernel smoothing accelerated.
Methods for ‘head’ and ‘tail’ for spatial patterns.
More low-level functionality.
Improvements and bug fixes.
spatstat now has more than 1000 help files.

spatstat 1.47-0 released

2016-10-12T00:00:00+00:00

Today spatstat 1.47-0 ‘Responsible Gambler’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Non-Gaussian smoothing kernels.
Important bug fix in linearK, linearpcf
Changed internal format of linnet and lpp objects.
Faster computation in linear networks.
Bias correction techniques.
Bounding circle of a spatial object.
Minkowski sum also applicable to point patterns and line segment patterns.
Option to plot marked points as arrows.
Kernel smoothing accelerated.
Workaround for bug in some graphics drivers affecting image orientation.
Bug fixes and improvements.

spatstat 1.46-1 released

2016-07-08T00:00:00+00:00

Today spatstat 1.46-1 ‘Spoiler Alert’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Important bug fix.

spatstat 1.46-0 released

2016-07-06T00:00:00+00:00

Today spatstat 1.46-0 ‘Multidimensional Toothbrush’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now depends on R 3.3.0 or later.
Improvements to inhomogeneous multitype K and L functions.
Variance approximation for pair correlation function.
Leverage and influence for multitype point process models.
Functions for extracting components of vector-valued objects.
Important bug fix in Smooth.ppp
Minor improvements and bug fixes.

spatstat 1.45-2 released

2016-05-09T00:00:00+00:00

Today spatstat 1.45-2 ‘Caretaker Mode’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Recursive-partition point process models.
Minkowski sum, morphological dilation and erosion with any shape.
Important bug fix in spatial CDF tests.
More bug fixes for replicated patterns.
Simulate a model fitted to replicated point patterns.
Inhomogeneous multitype F and G functions.
Summary functions recognise correction=”all”
Leverage and influence code handles bigger datasets.
More support for pixel images.
Improved progress reports.
New dataset ‘redwood3’
spatstat now Depends on the package ‘rpart’

spatstat 1.45-0 released

2016-03-10T00:00:00+00:00

Today spatstat 1.45-0 ‘One Lakh’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Important bug fix in leverage/influence diagnostics for Gibbs models.
Numerous bug fixes in code for replicated point patterns.
Surgery on linear networks.
Tessellations on a linear network.
Laslett’s Transform.
Colour maps for point patterns with continuous marks are easier to define.
Pair correlation function estimates can be pooled.
Stipulate a particular version of a package.
Fixed namespace problems arising when spatstat is not loaded.
Bug fixes and performance improvements.
spatstat now contains 100,000 lines of R code.

spatstat 1.44-1 released

2015-12-29T00:00:00+00:00

Today spatstat 1.44-1 ‘Gift Horse’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Urgent bug fix.
More support for replicated point patterns.
More options for tessellations.

spatstat 1.44-0 released

2015-12-22T00:00:00+00:00

Today spatstat 1.44-0 ‘The Sound of One Hand Typing’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

More support for multidimensional point patterns and point processes.
More options for envelopes and related Monte Carlo tests.
More support for model comparison.
k-th nearest neighbours on a linear network.
Penttinen process can be simulated (by Metropolis-Hastings or CFTP).
Calculate the predicted variance of number of points.
Convexifying operation for sets.
Subdivide a linear network.
Accelerated algorithms for linear networks.
Quadrat counting accelerated, in some cases.

spatstat 1.43-0 released

2015-10-07T00:00:00+00:00

Today spatstat 1.43-0 ‘Mixed Effects’ has been uploaded to CRAN where Windows and OSX binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now depends on the package ‘nlme’.
spatstat now depends on R 3.2.2 or later.
Simulation algorithms have been accelerated; simulation outcomes are not identical to those obtained from previous versions of spatstat.
Determinantal point process models.
Random-effects and mixed-effects models for replicated patterns.
Dao-Genton test, and corresponding simulation envelopes.
Simulated annealing and simulated tempering.
spatstat colour tools now handle transparent colours.
Improvements to “[” and subset() methods
Extensions to kernel smoothing on a linear network.
Support for one-dimensional smoothing kernels.
Bug fix in Metropolis-Hastings simulation.
Mark correlation function may include weights.
Cross-correlation version of the mark correlation function.
Variance calculations for replicated patterns.
Penttinen pairwise interaction model.
Contour plots with colours determined by a colour map.
New dataset: Australian states and territories.
More support for multi-dimensional point patterns.
Minor improvements and bug fixes.

spatstat 1.42-1 released

2015-06-05T00:00:00+00:00

Today spatstat 1.42-1 ‘Vogon Poetry’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

Urgent bug fix.
More robust simulation of cluster processes.
Slightly accelerated.

spatstat 1.42-0 released

2015-05-27T00:00:00+00:00

Today spatstat 1.42-0 ‘Life, The Universe and Everything’ has been uploaded to CRAN where Windows (but not OSX) binaries are also available. You can also download it from the github repository. The main changes are (full release notes here):

Permutation test for difference between groups of point patterns.
Variational Bayes estimation for point process models.
Score test in anova.ppm
ROC curve, and discrimination index AUC, for fitted models.
Interactive text editor for spatial datasets.
Tools for analysing data on a tree.
Kernel density/intensity estimation on a linear network.
Random pixel noise.
Improved behaviour of polygon geometry operations.
Improved support for cluster and Cox models.
Improved basic support for owin objects.
Improved support for tessellations.
More hierarchical Gibbs interactions.
Modifications to Kest.
summary method for Cox and cluster models.
class ‘listof’ is almost completely replaced by ‘anylist’ and ‘solist’.
Improvements and bug fixes.
spatstat now depends on R version 3.2.0 or later.

spatstat 1.41-1 released

2015-02-27T00:00:00+00:00

Today spatstat 1.41-1 ‘Ides of March’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

This is identical to the major release 1.41-0 except for minor bug fixes.

The change log for 1.41-0 is repeated here with minor modifications.

Fixed a bug causing a segmentation fault.
Standard errors for kernel estimates of intensity.
Test for segregation.
Tessellations may now have marks.
Nested splitting.
More support for cluster models. Reorganised parametrisation.
Sparse data representation of linear networks.
More support for data on a linear network.
New datasets: ‘spiders’ and ‘dendrite’.
Improvements and bug fixes.
spatstat no longer uses Fortran.
spatstat no longer depends on the package ‘scatterplot3d’.
spatstat now imports (rather than ‘suggests’) the Matrix package.

spatstat 1.41-0 released

2015-02-26T00:00:00+00:00

Today spatstat 1.41-0 ‘Team Australia’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

Fixed a bug causing a segmentation fault.
Standard errors for kernel estimates of intensity.
Test for segregation.
Tessellations may now have marks.
Nested splitting.
More support for cluster models. Reorganised parametrisation.
Sparse data representation of linear networks.
More support for data on a linear network.
New datasets: ‘spiders’ and ‘dendrite’.
Improvements and bug fixes.
spatstat no longer uses Fortran.
spatstat no longer depends on the package ‘scatterplot3d’.
spatstat now imports (rather than ‘suggests’) the Matrix package.

spatstat 1.40-0 released

2014-12-31T00:00:00+00:00

Today spatstat 1.40-0 ‘Do The Maths’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

Important bug fixes.
Mathematical operators now apply to images.
Parametric estimates of relative risk from fitted point process models.
Standard errors for relative risk (parametric and non-parametric).
Kernel smoothing and rose diagrams for angular data.
Perceptually uniform colour maps.
Hierarchical interactions for multitype patterns.
Hard core parameters in all interactions no longer need to be specified and will be estimated from data.
Improvements to analysis of deviance and model selection.
New datasets.
New vignette, summarising all datasets installed with spatstat.
Tests and diagnostics now include a Monte Carlo option.
Faster checking of large datasets.
Faster simulations.
Code for drawing diagrams (arrows, scale bars).

spatstat 1.39-0 released

2014-10-23T00:00:00+00:00

Today spatstat 1.39-0 ‘Smoke and Mirrors’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

ANOVA extended to Gibbs models.
Improved algorithm for locally-scaled K-function.
Leave-one-out calculation of fitted values in ppm objects.
New dataset: presynaptic vesicles.
Geometrical operations with windows and images.
More edge corrections for K-function.
Improved handling and plotting of ‘fv’ objects.
Utilities for perspective views of surfaces.
New classes ‘anylist’, ‘solist’ will ultimately replace ‘listof’.
Bug fixes.

spatstat 1.38-1 released

2014-08-27T00:00:00+00:00

Today spatstat 1.38-1 ‘Le Hardi’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

Urgent Bug Fixes.

spatstat 1.38-0 released

2014-08-15T00:00:00+00:00

Today spatstat 1.38-0 ‘Wicked Plot’ has been uploaded to CRAN where Windows and OSX binaries also are available. You can also download it from the github repository. The main changes are (full release notes here):

spatstat now Requires the package ‘goftest’ and Suggests the package ‘Matrix’.
New dataset: ‘sporophores’
Palm likelihood method for fitting cluster processes and Cox processes.
Quasi-likelihood and weighted composite likelihood methods for estimating trend in cluster processes and Cox processes.
Further extensions to model formulas in ppm and kppm.
Faster variance calculations for ppm objects.
One-sided tests and one-sided envelopes of summary functions.
Cramer-Von Mises and Anderson-Darling tests of spatial distribution.
Cressie-Read test statistic in quadrat counting tests.
Spatial cumulative distribution functions.
Faster algorithm for point pattern matching.
Improvements to plots.
Increased support for envelopes.
New generic functions ‘Window’, ‘Frame’ and ‘domain’.
Directional K-function and directional distribution.
Raster calculations accelerated.
Summary functions accelerated.
Many improvements and bug fixes.

Website initialised

2014-08-11T00:00:00+00:00

This post marks the initialisation of the new spatstat website. Usually the posts here will be used to announce new releases of spatstat.