private void ExportRecursion(StreamWriter sw, NodeGenerative node, int tabs)
{
StringBuilder tsb = new StringBuilder();
for (int i = 0; i < tabs; i++)
{
tsb.Append('\t');
}
string conditionL = string.Empty;
string conditionR = string.Empty;
conditionL = string.Format("\t{0}<{1}", node.FeatureName, Math.Round(node.FeatureValue, 2));
conditionR = string.Format("\t{0}>{1}", node.FeatureName, Math.Round(node.FeatureValue, 2));
StringBuilder sb = new StringBuilder();
if (node.Left != null)
{
sb.Append(string.Format("{2}[{1}]{0}", conditionL, node.Left.Set.Count(), tsb.ToString()));
sw.WriteLine(sb.ToString());
ExportRecursion(sw, node.Left, ++tabs);
}
tabs--;
sb = new StringBuilder();
if (node.Right != null)
{
sb.Append(string.Format("{2}[{1}]{0}", conditionR, node.Right.Set.Count(), tsb.ToString()));
sw.WriteLine(sb.ToString());
ExportRecursion(sw, node.Right, ++tabs);
}
tabs--;
}
private static Node.Node ToTreeRecursion(NodeGenerative node)
{
Node.Node res = new Node.Node(node);
if (node.Left != null)
{
ToTreeRecursion(node.Left);
}
if (node.Right != null)
{
ToTreeRecursion(node.Right);
}
return(res);
}
private void BuildRecursion(NodeGenerative node)
{
node.Average = node.Set.GetAverage(_resolutionFeatureName);
if (node.Set.Count() <= _maxItemCountInCategory)
{
node.IsTerminal = true;
node.Category = _categoryNameGenerator.Generate("C");
return;
}
//var sv = node.Set.GetSeparateValue(_resolutionFeatureName);
var sv = _splitter.Split(node.Set, _resolutionFeatureName);
if (sv == null)
{
node.IsTerminal = true;
node.Category = _categoryNameGenerator.Generate("C");
return;
}
node.FeatureName = sv.FeatureName;
node.FeatureValue = sv.FeatureValue;
if (sv.Left != null)
{
NodeGenerative left = new NodeGenerative();
left.Parent = node;
left.Set = sv.Left;
node.Left = left;
BuildRecursion(left);
}
if (sv.Right != null)
{
NodeGenerative right = new NodeGenerative();
right.Parent = node;
right.Set = sv.Right;
node.Right = right;
BuildRecursion(right);
}
}
private void ExportRecursion(NodeGenerative node, OfficeOpenXml.ExcelWorksheet sheet)
{
if (node == null)
{
return;
}
if (node.IsTerminal)
{
_isColored = !_isColored;
foreach (var item in node.Set.Items())
{
for (int i = 0; i < _featureNames.Count; i++)
{
sheet.Cells[_rowNo, i + 1].Value = item.GetValue(_featureNames[i]);
}
sheet.Cells[_rowNo, _featureNames.Count + 1].Value = node.Category;
double d = node.Average - item.GetValue(_featureNames[0]);
sheet.Cells[_rowNo, _featureNames.Count + 2].Value = d;
if (d < 0)
{
sheet.Cells[_rowNo, _featureNames.Count + 2].Style.Font.Color.SetColor(System.Drawing.Color.Red);
}
else if (d > 0)
{
sheet.Cells[_rowNo, _featureNames.Count + 2].Style.Font.Color.SetColor(System.Drawing.Color.Green);
}
if (_isColored)
{
sheet.Cells[_rowNo, 1, _rowNo, _featureNames.Count + 1].Style.Fill.PatternType = OfficeOpenXml.Style.ExcelFillStyle.Solid;
sheet.Cells[_rowNo, 1, _rowNo, _featureNames.Count + 1].Style.Fill.BackgroundColor.SetColor(System.Drawing.Color.LightGray);
}
_rowNo++;
}
return;
}
ExportRecursion(node.Left, sheet);
ExportRecursion(node.Right, sheet);
}
