Note: read.fstat is meant for DIPLOID DATA ONLY. Haploid data with
the Hierfstat format can be read into R using read.table or
read.csv after removing headers and 'POP' lines, and then converted
using df2genind.
References
Fstat (version 2.9.3). Software by Jerome Goudet.
http://www2.unil.ch/popgen/softwares/fstat.htm