Hi
Thorsten Wiegand used in his paper Wiegand T., and K. A. Moloney 2004.
Rings, circles and null-models for point pattern analysis in ecology.
Oikos 104: 209-229 a statistic he called O-Ring statistic which is
similar to Ripley's K, only that it uses rings instead of circles.
http://www.oesa.ufz.de/towi/towi_programita.html#ring
Is this statistic included in one of the packages in R?
Thanks,
Rainer
--
Rainer M. Krug, Dipl. Phys. (Germany), MSc Conservation Biology (UCT)
Department of Conservation Ecology
University of Stellenbosch
Matieland 7602
South Africa
Tel: +27 - (0)72 808 2975 (w)
Fax: +27 - (0)21 808 3304
Cell: +27 - (0)83 9479 042
email: RKrug at sun.ac.za
Rainer at krugs.de
