public static DataInstance copy(string identifier, DataInstance old)
{
DataInstance output = new DataInstance(identifier);
foreach (string key in old.fields.Keys.ToList())
{
output.setProperty(key, old.getProperty(key));
}
return(output);
}
public virtual string classify(DataInstance instance)
{
string value_of_instance = instance.getProperty(this.label);
// Check if we should pass this instance down to another node..
foreach (Node child in this.getNodeChildren())
{
if (value_of_instance == child.value_splitter)
{
return(child.classify(instance));
}
}
// Check if we should pass this instance down to one of our leafs.
foreach (Leaf child in this.getLeafChildren())
{
if (value_of_instance == child.value_splitter)
{
return(child.classifier);
}
}
throw new Exception($"Unknown value {value_of_instance} for {this.label}");
}
