=
"\nUsage: mapmix --admix <fraction> --zero <a.legosim>"
" --one <b.legosim>\\\n"
" <x>=<in_1> <y>=<in_2> ... outgroup=<in_K>\n\n"
" where <fraction> is the admixture fraction as estimated by legofit,\n"
" <a.legosim> is a file containing the results of a legosim run\n"
" with parameters as fitted by legofit, except that one admixture\n"
" fraction is set to 0, <b.legosim> is like <a.legosim> except\n"
" that this admixture fraction is set to 1, <x> and <y> are arbitrary\n"
" labels, and <in_i> are input files in raf format. Labels may not\n"
" include the character \":\". Final label must be \"outgroup\".\n"
" Writes to a series of files with names like 1.mapmix, X.mapmix,\n"
" etc, where \"1\" and \"X\" are the names of chromosomes. If these\n"
" files already exist, the program aborts.\n"
"\n"
" If <in_i> file name ends with .gz, input is decompressed using\n"
" gunzip.\n"