if all indivs have too much missing data in an 8mer in
the EM then it throws an exception
java.lang.ArrayIndexOutOfBoundsException: 0
at edu.mit.wi.haploview.EM.full_em_breakup(EM.java:316)
at edu.mit.wi.haploview.EM.doEM(EM.java:302)
at
edu.mit.wi.haploview.HaploData.generateHaplotypes(HaploData.java:817)