private void printTree(FeatureTree tree) {
minEntropy = Double.POSITIVE_INFINITY;
maxEntropy = Double.NEGATIVE_INFINITY;
for (TreeNode node : tree.getNodes()) {
// if node matrix contains only zeros, don't print
if (node.getCost() != 0) {
node.setNodeIdentityNumber(nodeCounter);
nodeCounter += 1;
double nodeEntropy = computeEntropy(node.getCountMatrix());
if (nodeEntropy > maxEntropy) {
maxEntropy = nodeEntropy;
}
if (nodeEntropy < minEntropy) {
minEntropy = nodeEntropy;
}
}
}
for (TreeNode node : tree.getNodes()) {
try {
if (node.getCost() != 0) {
fw.write(getEdgeString(tree, node));
fw.write(getNodeString(tree, node));
}
} catch (IOException ex) {
Logger.getLogger(TreeGraphPrinter.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
