for( int b = 0; b < statusCountList.size(); b++){
ret.append(b );
statusCountMap = statusCountList.get(b);
for ( String rank: statusCountMap.keySet()){
if ( rank.startsWith("sub")) continue;
StatusCount st = statusCountMap.get(rank);
double se = st.calSensitivity();
double sp = st.calSpecificity();
ret.append("\t" + (1-sp) + "\t" + se );
}
ret.append("\n");
}
return ret.toString();