for (int j = 0; j < newLookup.size(); j++) { //add this OTU to the new lookup
newLookup[j]->push_back(lookup[j]->getAbundance(i), lookup[j]->getGroup());
}
for (int j = 0; j < newLookup.size(); j++) { //add this OTU to the new lookup
newLookup[j]->push_back(lookup[j]->getAbundance(i), lookup[j]->getGroup());
}