Hi: Try the vegan and biodiversityR packages; both contain functions for producing species accumulation curves.
On Mon, Feb 21, 2011 at 9:38 AM, Vanessa Francisco <vanewa...@gmail.com>wrote: > Hello! I'm a PhD student working with coral reef fish diversity in Mexico. > I want to do species accumulation curves but I have differential sampling > effort for each "sample". > Do you know or have developed an R script that consider the differential > effort of each sample? > PRIMER and other programs use each pack of species as a replica without the > possibility of telling the program that the first group of species (sample) > was collected during a 30 minutes dive and the second group (sample) was > taking after 60 minutes dive and so on. > One could create a variable in your data frame that quantifies the dive duration. Whether or not the SAC functions accept weights is something you could learn from their help pages. HTH, Dennis I would really appreciate any kind of help! > Best regards, > Vanessa Francisco <">< > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
