read.csv : double quoted numbers
gsub fails on this file due to a particular value "C?te d'Ivoire" which is present in the file. This is when my locale is set to en_US.utf8 but when I set locale to C it (gsub) works.
Have a look at ?file, especially the section on Encoding. cu Philipp
Dr. Philipp Pagel Lehrstuhl f?r Genomorientierte Bioinformatik Technische Universit?t M?nchen Wissenschaftszentrum Weihenstephan 85350 Freising, Germany http://mips.gsf.de/staff/pagel