// Respect the featureSelection
FeatureSelection fs = featureSelections[i];
nfeatures = fs.getBitSet ().cardinality ();
int[] idxs = new int [nfeatures];
int j = 0, thisIdx = -1;
while ((thisIdx = fs.nextSelectedIndex (thisIdx + 1)) >= 0) {
idxs[j++] = thisIdx;
}
newWeights[i] = new IndexedSparseVector (idxs, new double [nfeatures], nfeatures, nfeatures, false, false, false);
}
newWeights [i].plusEqualsSparse (parameters.weights [i]);