private double ResolveRecursion(IItemNumerical item, Node.Node node)
{
double res = 0;
if (node == null)
{
throw new Exception();
}
if (node.IsTerminal)
{
return(node.Average);
}
if (!item.HasValue(node.FeatureName))
{
throw new Exception();
}
var v = item.GetValue(node.FeatureName);
if (v < node.FeatureValue)
{
res = ResolveRecursion(item, node.Less);
}
else
{
res = ResolveRecursion(item, node.Greater);
}
return(res);
}
public double Resolve(IItemNumerical item)
{
if (_trees == null || _trees.Count == 0)
{
throw new Exception();
}
object obj = new object();
double sum = 0;
Parallel.ForEach(_trees, (t) => {
double d = t.Resolve(item);
lock (obj)
{
sum = sum + d;
}
});
return(sum / _trees.Count);
}
private void BtnResolve_Click(object obj)
{
Result = string.Empty;
if (_forest == null)
{
return;
}
IItemNumerical item = _forest.CreateItem();
int i = 0;
foreach (NameValue nv in NameValueList)
{
item.SetValue(nv.Name, nv.Value);
i++;
}
if (i == 0)
{
return;
}
double res = _forest.Resolve(item);
Result = res.ToString();
}
private void _forest_ForestGrowComplete(object sender, EventArgs e)
{
Progress = 100;
IsBtnGenerateEnable = true;
IsBtnResolveEnable = true;
App.Current.Dispatcher.Invoke(() => { NameValueList.Clear(); });
IItemNumerical item = _forest.CreateItem();
var names = _forest.GetFeatureNames();
foreach (var name in names)
{
if (name == ResolutionFeatureName)
{
continue;
}
App.Current.Dispatcher.Invoke(() =>
{
NameValueList.Add(new NameValue {
Name = name, Value = 0
});
});
}
}
public double Resolve(IItemNumerical item)
{
return(ResolveRecursion(item, _root));
}
