| Version | Release date | Description of changes | Documentation |
| spatstat 1.20-3 | 24 august 2010 |
Minor improvements (mostly internal). |
See the release notes for 1.20-3 |
| spatstat 1.20-2 | 10 august 2010 |
Extensions to minimum contrast estimation. Bug fix in simulation of Lennard-Jones model. More support for distance functions. Changes to point process simulations. |
See the release notes for 1.20-2 |
| spatstat 1.20-1 | 26 july 2010 |
Further increases in speed and efficiency of ppm and rmh. New pairwise interaction model. |
See the release notes for 1.20-1 |
| spatstat 1.20-0 | 16 july 2010 |
Substantial increases in speed and efficiency of model-fitting code. Changes to factor-valued images. The spatstat package now contains over 1000 functions |
See the release notes for 1.20-0 |
| spatstat 1.19-3 | 16 june 2010 |
Urgent bug fix to simulation for Lennard-Jones process. Miscellaneous additions to plotting and colour management. |
See the release notes for 1.19-3 |
| spatstat 1.19-2 | 09 june 2010 |
More support for fitted point process models and pixel images. Improved plotting of pixel images and envelopes. Simulation algorithm for Lennard-Jones process. Improvements and bug fixes to envelopes. Bug fixes to Metropolis-Hastings simulation. |
See the release notes for 1.19-2 |
| spatstat 1.19-1 | 24 may 2010 |
New dataset: replicated 3D point patterns. Improvements to Metropolis-Hastings simulation code. More support for hyperframes. Bug fixes. |
See the release notes for 1.19-1 |
| spatstat 1.19-0 | 14 may 2010 |
Numerous bug fixes for ppm(method="ho"). Miscellaneous improvements. |
See the release notes for 1.19-0 |
| spatstat 1.18-4 | 02 may 2010 |
New functionality for multi-dimensional space-time point patterns. Bug fixes and minor additions. |
See the release notes for 1.18-4 |
| spatstat 1.18-3 | 19 april 2010 | Bug fixes and minor additions. | See the release notes for 1.18-3 |
| spatstat 1.18-2 | 09 april 2010 |
Improvements to distance distribution code. Bug fixes. |
See the release notes for 1.18-2 |
| spatstat 1.18-1 | 19 march 2010 |
New 'hard core' interaction. Envelopes for three-dimensional point patterns. Extended functionality for rmh. Bug fixes. |
See the release notes for 1.18-1 |
| spatstat 1.18-0 | 10 march 2010 |
A point pattern can now have a data frame of marks. Extended capabilities for envelope and kstest. New functions for discretising line segments. |
See the release notes for 1.18-0 |
| spatstat 1.17-6 | 09 february 2010 |
Nearest-neighbour clutter removal algorithm. New documentation for the fv class. Minor improvements and bug fixes. |
See the release notes for 1.17-6 |
| spatstat 1.17-5 | 06 january 2010 |
Nearest-neighbour methods extended and vastly accelerated. Minor additions, improvements and bug fixes. |
See the release notes for 1.17-5 |
| spatstat 1.17-4 | 16 december 2009 |
Inhomogeneous pair correlation functions. Bug fixes to Kinhom and rmh. |
See the release notes for 1.17-4 |
| spatstat 1.17-3 | 15 december 2009 |
Two important bugs fixed. Point process models can now be fitted to very large point pattern datasets. NAs in covariates are now handled better. Sundry additions and improvements. |
See the release notes for 1.17-3 |
| spatstat 1.17-2 | 10 november 2009 |
Urgent bug fix. Minor additions. |
See the release notes for 1.17-2 |
| spatstat 1.17-1 | 06 november 2009 |
Conditional simulation of point processes. Functions for analysing 3-dimensional point patterns. Basic support for multidimensional space-time point patterns. New geometrical operations for windows and tessellations. Package decoupled from gpclib because of licence issues. spatstat now requires R 2.10.0 |
See the release notes for 1.17-1 |
| spatstat 1.17-0 | 22 october 2009 |
Major upgrade of simulation code in progress. New dataset bronzefilter. New ways to construct binary masks. Bug fixes. |
See the release notes for 1.17-0 |
| spatstat 1.16-3 | 13 october 2009 |
Extensions to model-fitting and simulation code. Important bug fixes in suffstat and connected. New image metric. |
See the release notes for 1.16-3 |
| spatstat 1.16-2 | 22 august 2009 |
Code for calculating areas of dilations and intersections. Extensions to the envelope function. New generic function pixellate. Numerous minor improvements. |
See the release notes for 1.16-2 |
| spatstat 1.16-1 | 27 july 2009 |
New geometrical operations. Extensions to cluster model fitting and simulation code. Variance approximations for Kest. Several minor improvements. |
See the release notes for 1.16-1 |
| spatstat 1.16-0 | 30 June 2009 |
Point-and-click interface under development. Hanisch-style estimators for summary functions F, G, J, I. Convex hull and test for convexity. Legend plotted automatically in plot.fv. Kernel smoothing functions accelerated. |
See the release notes for 1.16-0 |
| spatstat 1.15-4 | 12 June 2009 |
Morphological operators are now implemented using polygonal geometry. Envelopes of K function are faster to compute. New algorithm for simplifying polygons. Bug fixes and minor improvements. |
See the release notes for 1.15-4 |
| spatstat 1.15-3 | 14 May 2009 |
New summary functions for marked point patterns. Connected component transform for images and binary masks. Improvements to distmap for polygons. Extra functionality for density.ppp and smooth.ppp. New dataset from astronomy. Bug fixes. |
See the release notes for 1.15-3 |
| spatstat 1.15-2 | 14 April 2009 |
Five new summary functions for marked point patterns. New functionality for tessellations and random sets. Faster computation of point-to-line distances. |
See the release notes for 1.15-2 |
| spatstat 1.15-1 | 31 March 2009 |
Performance improvements in discretising windows and handling line segments. Extension to K function for bootstrap purposes. Spherical contact distribution implemented for sets. New dataset. Bug fixes. |
See the release notes for 1.15-1 |
| spatstat 1.15-0 | 02 March 2009 |
New classes of colour maps and lookup tables. Improved performance in handling complicated polygons. Expanded documentation on shapefiles. Bug fixes. |
See the release notes for 1.15-0 |
| spatstat 1.14-10 | 30 January 2009 |
New functions for generating random points on line segments. New documentation about shapefiles. Minor improvements and bug fixes. |
See the release notes for 1.14-10 |
| 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 |
For earlier releases of spatstat, see the previous release history