Hello, someone know if it is possible to use R to calculate distance by sea between two geographic coordinates? I have many points in the sea and I want to create a matrix using R of the length of trajectories that pass only trough sea.
Thanks Giulia -- Giulia Fassio Animal Biology PhD student Dept. of Biology and Biotechnology C. Darwin Sapienza University of Rome Piazzale Aldo Moro 5, 00185 Rome, Italy Mobile: +39 328 1214497 giuliafas...@gmail.com [[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.