On Tue, Jul 26, 2011 at 8:03 AM, Kumar Mainali <kpmain...@utexas.edu> wrote: > Greetings > > I have a dataset with occurrence records of multiple species. I need to get > rid of multiple listings of the same occurrence point for a species (as you > see below in red and blue typeface). How do I create a dataset only with > unique set of longitude and latitude for each species? Thanks in advance. > Species_name Longitude Latitude > Abies concolor -106.601 35.868 > Abies concolor -106.493 35.9682 > Abies concolor -106.489 35.892 > Abies concolor -106.496 35.8542 > Accipiter cooperi -119.688 34.4339 > Accipiter cooperi -119.792 34.5069 > Accipiter cooperi -118.797 34.2581 > Accipiter cooperi -77.38333 39.68333 > Accipiter cooperi -77.38333 39.68333 > Accipiter cooperi -75.99153 40.633335 > Accipiter cooperi -75.99153 40.633335
Pass the file through the 'uniq' utility, on Unix. Easy. ChrisA -- http://mail.python.org/mailman/listinfo/python-list