/**
* Returns a list of all modes in the Collection. (If the Collection has multiple items with the
* highest frequency, all of them will be returned.)
*/
public static <T> Set<T> modes(Collection<T> values) {
Counter<T> counter = new ClassicCounter<T>(values);
List<Double> sortedCounts = CollectionUtils.sorted(counter.values());
Double highestCount = sortedCounts.get(sortedCounts.size() - 1);
Counters.retainAbove(counter, highestCount);
return counter.keySet();
}
@Override
public Counter<E> score() {
Counter<E> currentPatternWeights4Label = new ClassicCounter<>();
Counter<E> pos_i = new ClassicCounter<>();
Counter<E> neg_i = new ClassicCounter<>();
Counter<E> unlab_i = new ClassicCounter<>();
for (Entry<E, ClassicCounter<CandidatePhrase>> en : negPatternsandWords4Label.entrySet()) {
neg_i.setCount(en.getKey(), en.getValue().size());
}
for (Entry<E, ClassicCounter<CandidatePhrase>> en :
unLabeledPatternsandWords4Label.entrySet()) {
unlab_i.setCount(en.getKey(), en.getValue().size());
}
for (Entry<E, ClassicCounter<CandidatePhrase>> en : patternsandWords4Label.entrySet()) {
pos_i.setCount(en.getKey(), en.getValue().size());
}
Counter<E> all_i = Counters.add(pos_i, neg_i);
all_i.addAll(unlab_i);
// for (Entry<Integer, ClassicCounter<String>> en : allPatternsandWords4Label
// .entrySet()) {
// all_i.setCount(en.getKey(), en.getValue().size());
// }
Counter<E> posneg_i = Counters.add(pos_i, neg_i);
Counter<E> logFi = new ClassicCounter<>(pos_i);
Counters.logInPlace(logFi);
if (patternScoring.equals(PatternScoring.RlogF)) {
currentPatternWeights4Label = Counters.product(Counters.division(pos_i, all_i), logFi);
} else if (patternScoring.equals(PatternScoring.RlogFPosNeg)) {
Redwood.log("extremePatDebug", "computing rlogfposneg");
currentPatternWeights4Label = Counters.product(Counters.division(pos_i, posneg_i), logFi);
} else if (patternScoring.equals(PatternScoring.RlogFUnlabNeg)) {
Redwood.log("extremePatDebug", "computing rlogfunlabeg");
currentPatternWeights4Label =
Counters.product(Counters.division(pos_i, Counters.add(neg_i, unlab_i)), logFi);
} else if (patternScoring.equals(PatternScoring.RlogFNeg)) {
Redwood.log("extremePatDebug", "computing rlogfneg");
currentPatternWeights4Label = Counters.product(Counters.division(pos_i, neg_i), logFi);
} else if (patternScoring.equals(PatternScoring.YanGarber02)) {
Counter<E> acc = Counters.division(pos_i, Counters.add(pos_i, neg_i));
double thetaPrecision = 0.8;
Counters.retainAbove(acc, thetaPrecision);
Counter<E> conf = Counters.product(Counters.division(pos_i, all_i), logFi);
for (E p : acc.keySet()) {
currentPatternWeights4Label.setCount(p, conf.getCount(p));
}
} else if (patternScoring.equals(PatternScoring.LinICML03)) {
Counter<E> acc = Counters.division(pos_i, Counters.add(pos_i, neg_i));
double thetaPrecision = 0.8;
Counters.retainAbove(acc, thetaPrecision);
Counter<E> conf =
Counters.product(
Counters.division(Counters.add(pos_i, Counters.scale(neg_i, -1)), all_i), logFi);
for (E p : acc.keySet()) {
currentPatternWeights4Label.setCount(p, conf.getCount(p));
}
} else {
throw new RuntimeException("not implemented " + patternScoring + " . check spelling!");
}
return currentPatternWeights4Label;
}