private static XgbTreeNode ParseXgbTreeNode(string line)
{
var node = new XgbTreeNode();
try {
if (line.Contains("leaf"))
{
Match m = leafRegex.Match(line);
node.Number = Int32.Parse(m.Groups[1].Value);
node.LeafValue = Double.Parse(m.Groups[2].Value, CultureInfo.InvariantCulture);
node.Cover = Double.Parse(m.Groups[3].Value, CultureInfo.InvariantCulture);
node.IsLeaf = true;
}
else
{
Match m = nodeRegex.Match(line);
node.Number = Int32.Parse(m.Groups[1].Value);
node.Feature = m.Groups[2].Value;
node.SplitValue = Double.Parse(m.Groups[3].Value, CultureInfo.InvariantCulture);
node.LeftChild = Int32.Parse(m.Groups[4].Value);
node.RightChild = Int32.Parse(m.Groups[5].Value);
node.Gain = Double.Parse(m.Groups[6].Value, CultureInfo.InvariantCulture);
node.Cover = Double.Parse(m.Groups[7].Value, CultureInfo.InvariantCulture);
node.IsLeaf = false;
}
} catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(String.Format("Error: Invalid model file. Did you dump the model w/ with_stats=True?"));
Console.WriteLine(String.Format("Unable to parse line '{0}'", line));
Console.WriteLine(e.Message);
Console.ResetColor();
return(null);
}
return(node);
}
private static XgbTreeNode ParseXgbTreeNode(string line)
{
var node = new XgbTreeNode();
try {
if (line.Contains("leaf"))
{
Match m = leafRegex.Match(line);
node.Number = Int32.Parse(m.Groups[1].Value);
node.LeafValue = Double.Parse(m.Groups[2].Value, CultureInfo.InvariantCulture);
node.Cover = Double.Parse(m.Groups[3].Value, CultureInfo.InvariantCulture);
node.IsLeaf = true;
}
else
{
Match m = nodeRegex.Match(line);
node.Number = Int32.Parse(m.Groups[1].Value);
node.Feature = m.Groups[2].Value;
node.SplitValue = Double.Parse(m.Groups[3].Value, CultureInfo.InvariantCulture);
node.LeftChild = Int32.Parse(m.Groups[4].Value);
node.RightChild = Int32.Parse(m.Groups[5].Value);
node.Gain = Double.Parse(m.Groups[6].Value, CultureInfo.InvariantCulture);
node.Cover = Double.Parse(m.Groups[7].Value, CultureInfo.InvariantCulture);
node.IsLeaf = false;
}
} catch(Exception e)
{
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine(String.Format("Error: Invalid model file. Did you dump the model w/ with_stats=True?"));
Console.WriteLine(String.Format("Unable to parse line '{0}'", line));
Console.WriteLine(e.Message);
Console.ResetColor();
return null;
}
return node;
}