Dear Alexandre, look at the SpatStat package in the R program. It is for spatial point processes, includes marked ones, its free, and seems pretty good to me. Can be easily added into installed R, but you can find more here: http://www.spatstat.org/
Best regards from Petr Smilauer Ceske Budejovice --------------------------------------------------------------- International course Multivariate Analysis of Ecological Data (January 2008): http://regent.jcu.cz New book by course lecturers: "Multivariate analysis of ecological data using CANOCO" at <http://uk.cambridge.org/catalogue/catalogue.asp?isbn=0521891086> or <http://www.amazon.co.uk/exec/obidos/tg/stores/detail/-/books/0521891086> CanoDraw for Windows 4.0 http://www.canodraw.com is part of Canoco for Windows 4.5 http://www.canoco.com ----- Original Message ----- From: "Alexandre Souza" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, November 05, 2007 6:22 PM Subject: Software for marked point processes analyses? > Dear Friends in Ecology: > > I am searching for a free-software that performs marked point processes > analyses. This represents an extension of the > well-known (to plant ecologists) K-function in which attributes of the points > (like dbh or height, for instance) are > considered in the analyses. > > This extension was first proposed by > > Penttinen, A., D. Stoyan, et al. (1992). Marked point processes in forest > statistics. Forest Science 38(4): 806-824. > > The above article has been cited by more than 80 other articles, so I > suppose there should be a software to implement this > modification somewhere. > > Thanks for any indications, > > Alexandre > > Dr. Alexandre F. Souza > Programa de Pós-Graduação em Biologia: Diversidade e Manejo da Vida Silvestre > Universidade do Vale do Rio dos Sinos (UNISINOS) > Av. UNISINOS 950 - C.P. 275, São Leopoldo 93022-000, RS - Brasil > Telefone: (051)3590-8477 ramal 1263 > Skype: alexfadigas > [EMAIL PROTECTED] > http://www.unisinos.br/laboratorios/lecopop > > > -- > Esta mensagem foi verificada pelo sistema de antivírus e > acredita-se estar livre de perigo.
