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Hello guys: I recently installed FC 5 linux and installed R from source. It installed fine, but there was an oddity that I want to report. Although I used ./configure --prefix=/usr/local/R-2.3.0 make it did not seem to recognize the prefix and went ahead and installed it in the source directory -- I usually ``tar xzf'' it to my home directory and run the installation scripts from there

Dear R, I have a bunch of geographic locations specified by lat-long coordinates. What's an easy way to calculate geographic distance between any two points? OR, perhaps there is a function for calculating a distance matrix for K sites? Sincerely, Scott Chamberlain [[alternative HTML version deleted]]