add function to aggregate summary statistics
add function to aggregate summary statistics

tabbott/diagnose_dups,genome/diagnose_dups,fw1121/diagnose_dups,tabbott/diagnose_dups,fw1121/diagnose_dups,genome/diagnose_dups,genome/diagnose_dups,tabbott/diagnose_dups,genome/diagnose_dups,fw1121/diagnose_dups,genome/diagnose_dups,genome/diagnose_dups,tabbott/diagnose_dups,fw1121/diagnose_dups,tabbott/diagnose_dups,fw1121/diagnose_dups