public SofDifferenceEvaluator(Data.Split split, int classIndex)
{
split.RefreshSofs();
this.Split = split;
this.ClassIndex = classIndex;
EvalDifference();
}
public static Data.Split SplitCloner(Data.Split source)
{
var target = new Data.Split();
CopyAllProperties(source, target);
// rebuild new array to not share pointer on same reference
if (target.Class1Cars != null)
{
target.Class1Cars = new List <Line>();
target.Class1Cars.AddRange(source.Class1Cars);
}
if (target.Class2Cars != null)
{
target.Class2Cars = new List <Line>();
target.Class2Cars.AddRange(source.Class2Cars);
}
if (target.Class3Cars != null)
{
target.Class3Cars = new List <Line>();
target.Class3Cars.AddRange(source.Class3Cars);
}
if (target.Class4Cars != null)
{
target.Class4Cars = new List <Line>();
target.Class4Cars.AddRange(source.Class4Cars);
}
// -->
return(target);
}
public override void Evaluate(EvaluationContext context, Models.Model model, Data.Split split)
{
double sum = 0;
foreach (var kv in context.PredictedScores)
{
sum += Math.Pow(((Rating)kv.Key).Value - kv.Value, 2);
}
context.AddResult("rmse", "RMSE", string.Format("{0:0.0000}", Math.Sqrt(sum / context.PredictedScores.Count())));
}