Latest releases

The current release is spatstat 1.14-9.
You need R version 2.7.0 or later to run this package.

Version Release date Description of changes Documentation
spatstat 1.14-9 16 December 2008 Important bug fix in smooth.ppp See the release notes for 1.14-9
spatstat 1.14-8 10 December 2008 Bug fixes and updates for compatibility with R 2.8.0.
Minor additions including Fry plots and Morishita index plots.
See the release notes for 1.14-8
spatstat 1.14-7 17 November 2008 Urgent bug fixes.
New morphological operations.
See the release notes for 1.14-7
spatstat 1.14-6 07 November 2008 Additional functionality for line segment patterns.
See the release notes for 1.14-6
spatstat 1.14-5 23 October 2008 Urgent bug fix in plotting of quadrat counts.
Improved functionality for tessellations and quadrats counting.
See the release notes for 1.14-5
spatstat 1.14-4 16 October 2008 Additional tools based on tessellations:
quadrat methods with quadrats of any shape;
splitting a pixel image over a tessellation;
adaptive estimation of intensity.
See the release notes for 1.14-4
spatstat 1.14-3 26 September 2008 New functionality for quadrat methods,
including resampling of quadrats (spatial block resampling)
See the release notes for 1.14-3
spatstat 1.14-2 8 September 2008 Standard errors of fitted point process intensity are now available.
Improved graphics, including colour fill for arbitrary polygons.
New dataset.

See the release notes for 1.14-2
spatstat 1.14-1 29 July 2008 Various improvements and bug fixes.
See the release notes for 1.14-1
spatstat 1.14-0 22 July 2008 New class of 'tessellations'.
Simulation of hybrid Geyer point process model is now supported.
See the release notes for 1.14-0
spatstat 1.13-4 18 July 2008 Stepwise model selection can now be performed on point process models.
Intersections and unions of polygons now yield a polygon.
New function kppm for fitting cluster point process models.
New dataset added. Improvements to image display.
See the release notes for 1.13-4
spatstat 1.13-3 22 June 2008 New function for smoothing a pixel image.
Improved handling of discretisation effects in pixel images.
K functions have a workaround for a compiler/hardware bug.
See the release notes for 1.13-3
spatstat 1.13-2 14 May 2008 Additional capabilities for summary functions.
Simulation envelopes are now available in 'alltypes'.
See the release notes for 1.13-2
spatstat 1.13-1 23 April 2008 Important bug fix to rStrauss.
Minor repairs to point process modelling,
segment clipping, and Metropolis-Hastings simulation code.
Various minor improvements.
See the release notes for 1.13-1
spatstat 1.13-0 11 April 2008 The package now runs 10 to 20 percent faster.
A new point process model has been added.
See the release notes for 1.13-0
spatstat 1.12-9 18 March 2008 Extensions and changes to model-fitting capabilities.
Improvements to robustness of diagnostic code.
See the release notes for 1.12-9
spatstat 1.12-8 26 February 2008 Substantial revision of area-interaction models
including bug fix to simulation code.
See the release notes for 1.12-8
spatstat 1.12-7 11 February 2008 New simulation algorithms for area-interaction processes
and inhomogeneous Neyman-Scott processes.
Various minor improvements.
See the release notes for 1.12-7
spatstat 1.12-6 04 February 2008 New summary functions and simulation routines.
Area-interaction model can be fitted in ppm.
Improvements to envelope command.
Extension to distance code for line segments.
See the release notes for 1.12-6
spatstat 1.12-5 07 January 2008 Extension of Kolmogorov-Smirnov test.
Minor improvements to graphics and geometric operations.
Bug fixes to point-in-polygon and window geometry code.
See the release notes for 1.12-5
spatstat 1.12-4 18 December 2007 Minor extensions, safety improvements and bug fixes.
See the release notes for 1.12-4
spatstat 1.12-3 02 November 2007 Improvements to plotting of function arrays.
Bugs fixed.
See the release notes for 1.12-3
spatstat 1.12-2 26 October 2007 Distance matching code improved and extended.
The function units has been renamed.
Bugs fixed.
Spatstat now requires R version 2.6.0 or later.
See the release notes for 1.12-2
spatstat 1.12-1 28 September 2007 Minor bug fixes and updates to conform to changes in R. See the release notes for 1.12-1
spatstat 1.12-0 20 August 2007 New class of `hyperframes'.
Three new functions and a new dataset.
See the release notes for 1.12-0
spatstat 1.11-8 26 July 2007 New algorithm for distance map for windows.
Bug fixes and improvements for multitype point patterns.
See the release notes for 1.11-8
spatstat 1.11-7 09 June 2007 Various additions and bug fixes.
Line shading for polygons.
See the release notes for 1.11-7
spatstat 1.11-6 18 May 2007 8 bug fixes.
Support for logLik, AIC, BIC
See the release notes for 1.11-6
spatstat 1.11-5 14 May 2007 Minor improvements, bug fixes. See the release notes for 1.11-5
spatstat 1.11-4 16 April 2007 spatstat now requires R 2.4.0 or later.
New functions, minor improvements, bug fixes.
See the release notes for 1.11-4
spatstat 1.11-3 20 March 2007 Urgent bug fixes. Performance improvements.
New function and several improvements.
See the release notes for 1.11-3
spatstat 1.11-2 12 March 2007 New dataset. Several new functions and improvements.
Changes to the handling of illegal points in a point pattern.
See the release notes for 1.11-2
spatstat 1.11-1 01 February 2007 Various improvements and additions. See the release notes for 1.11-1
spatstat 1.11-0 12 January 2007 Major upgrade in progress.
Format of ppm objects changed.
Improved performance and robustness.
Extensions to variance calculations. 4 bug fixes.
See the release notes for 1.11-0
spatstat 1.10-3 20 November 2006 Summary functions accelerated.
Extended support for units of length. 2 bug fixes
See the release notes for 1.10-3
spatstat 1.10-2 06 November 2006 Minor improvements and bug fixes See the release notes for 1.10-2
spatstat 1.10-1 19 October 2006 Bug fix to Kinhom function. See the release notes for 1.10-1
spatstat 1.10-0 18 October 2006 Subset operators have changed, but are backward compatible.
Improvement to diagnostic plots.
Units of length can now be specified.
Substantial changes to internal code, mostly invisible.
See the release notes for 1.10-0
spatstat 1.9-6 27 September 2006 Extensions to kernel smoothing code
and inhomogeneous K function.
See the release notes for 1.9-6
spatstat 1.9-5 22 August 2006 Fixed problems with installation under Solaris and Mac.
Various minor improvements.
See the release notes for 1.9-5
spatstat 1.9-4 3 August 2006 New code for perfect simulation.
New code for matching two point patterns.
New dataset. Other minor improvements.
See the release notes for 1.9-4
spatstat 1.9-3 21 June 2006 Increased capabilities for polygonal windows
including K functions with Ripley's isotropic correction.
Increased speed of various operations.
See the release notes for 1.9-3
spatstat 1.9-2 5 June 2006 Major improvements to performance of the summary functions.
Improvements to model-fitting code.
New functions for profile pseudolikelihood.
See the release notes for 1.9-2
spatstat 1.9-1 26 May 2006 K function accelerated - handles very large point patterns;
Cluster and Cox models can be fitted by minimum contrast
See the release notes for 1.9-1
spatstat 1.9-0 3 May 2006 Improvements to simulation code;
support for statistical inference
See the release notes for 1.9-0