Spatial Individual-Plant Modelling

A platform for computing competition indices and experimenting with spatially explicit individual-based vegetation models.


Changes in version 0.9 (2013-10-18)

  • First beta version

Changes in version 0.93 (2013-10-29)

  • Beta version following 0.9, 0.91, 0.92
  • New features, bug fixes

Changes in version 1.0 (2014-01-10)

  • Documentation editing, same code as in 0.93
  • Official release in CRAN
  • Publication and code listings in MCFNS

Changes in version 1.1 (2014-05-10)

  • Terminology changes: . partition -> allotment . partition parameter theta -> asymmetry parameter alpha
  • In function assimilation the parameter "partpar" is now "asym"
  • Taking advantage of changes of function applynb in spatstat 1.35-0, now maxN and maxR of function pairwise are not longer mutually exclusive
  • Added examples of multi-species influence and efficiency functions
  • Default pixel size increased from 0.1 to 0.2

Changes in version 1.2 (2016-03-06)

  • Fix pairwise failure when marks were a simple vector and not a data frame
  • Documentation improvements

Changes in version 1.3 (2018-07-29)

  • Added missing size exponent p in staebler.ker, ommit constant.
  • Minor documentation improvements.

Changes in version 1.4 (2019-03-31)

  • Fix handling of list elements in function size.sel that often caused it to crash. Thanks to Ko Liao, Chung Hsing University, Taiwan, for finding this bug and thoroughly testing other components.
  • Minor documentation improvements.

Reference manual

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1.5 by Oscar Garcia, a year ago

Report a bug at

Browse source code at

Authors: Oscar Garcia

Documentation:   PDF Manual  

Task views: Analysis of Ecological and Environmental Data, Analysis of Spatial Data

GPL (>= 2) license

Depends on spatstat

Suggests knitr

See at CRAN