public int getNumTrainInst(String trainPRName, List<String> annotation_types, int fold_number) {
NumDocsAndTrainInst entry = train_inst_stats.get(new PrNameAndFold(trainPRName, fold_number));
if (entry == null) return -1;
int ret = 0;
MultiSet<String> insts = entry.instanceClassTypes;
for (String ann_type : annotation_types) {
ret += insts.get(ann_type);
}
return ret;
}
public void addMultiSet(MultiSet<T> ms) {
for (Entry<T, Integer> e : ms.asMap().entrySet()) {
add(e.getKey(), e.getValue());
}
}