private int[] applyNewFeatures(List<RankList> samples, int[] features) {
int totalFeatureCount = samples.get(0).get(0).getFeatureCount();
int[] newFeatures = new int[features.length + lcList.size()];
System.arraycopy(features, 0, newFeatures, 0, features.length);
// for(int i=0;i<features.length;i++)
// newFeatures[i] = features[i];
for (int k = 0; k < lcList.size(); k++)
newFeatures[features.length + k] = totalFeatureCount + k + 1;
float[] addedFeatures = new float[lcList.size()];
for (int i = 0; i < samples.size(); i++) {
RankList rl = samples.get(i);
for (int j = 0; j < rl.size(); j++) {
DataPoint p = rl.get(j);
for (int k = 0; k < lcList.size(); k++)
addedFeatures[k] = lcList.get(k).compute(p.getExternalFeatureVector());
p.addFeatures(addedFeatures);
}
}
int[] newFeatures2 = new int[lcList.size()];
for (int i = 0; i < lcList.size(); i++) newFeatures2[i] = newFeatures[i + features.length];
if (keepOrigFeatures) return newFeatures;
return newFeatures2;
}
public int[] getFeatureFromSampleVector(List<RankList> samples) {
DataPoint dp = samples.get(0).get(0);
int fc = dp.getFeatureCount();
int[] features = new int[fc];
for (int i = 0; i < fc; i++) features[i] = i + 1;
return features;
}