public static <TK, FV> double[][] calcDeltaMetric(
NBestListContainer<TK, FV> nbest,
List<ScoredFeaturizedTranslation<TK, FV>> base,
EvaluationMetric<TK, FV> emetric) {
double baseScore = emetric.score(base);
double[][] incontextScores = incontextMetricScores(nbest, base, emetric);
double[][] deltaScores = new double[incontextScores.length][];
for (int i = 0; i < incontextScores.length; i++) {
deltaScores[i] = new double[incontextScores[i].length];
for (int j = 0; j < incontextScores[i].length; j++) {
deltaScores[i][j] = baseScore - incontextScores[i][j];
}
}
return deltaScores;
}
