Dear Robert and community, Regarding my last post related to that software for measuring positive selection at binary DNA markers, I have found it. Please consult Mcheza workbench software at http://popgen.eu/soft/mcheza/. Best regards, Rodrigo A .Torres, D. Sc. Laboratório de Genomica Evolutiva e Ambiental Universidade Federal de Pernambuco Brazil Rodrigo Augusto Torres