protected void updateTreeOutput(RegressionTree rt) {
List<Split> leaves = rt.leaves();
for (int i = 0; i < leaves.size(); i++) {
float s1 = 0.0F;
Split s = leaves.get(i);
int[] idx = s.getSamples();
for (int j = 0; j < idx.length; j++) {
int k = idx[j];
s1 += pseudoResponses[k];
}
s.setOutput(s1 / idx.length);
}
}
