public int Compare(FeatureSubsetModel <IPredictorProducing <TOutput> > x, FeatureSubsetModel <IPredictorProducing <TOutput> > y)
{
if (x == null || y == null)
{
return((x == null ? 0 : 1) - (y == null ? 0 : 1));
}
double xValue = 0;
var found = false;
foreach (var kvp in x.Metrics)
{
if (_metricName == kvp.Key)
{
xValue = kvp.Value;
found = true;
break;
}
}
if (!found)
{
throw Contracts.Except("Metrics did not contain the requested metric '{0}'", _metricName);
}
double yValue = 0;
found = false;
foreach (var kvp in y.Metrics)
{
if (_metricName == kvp.Key)
{
yValue = kvp.Value;
found = true;
break;
}
}
if (!found)
{
throw Contracts.Except("Metrics did not contain the requested metric '{0}'", _metricName);
}
if (xValue > yValue)
{
return(_isAscMetric ? -1 : 1);
}
if (yValue > xValue)
{
return(_isAscMetric ? 1 : -1);
}
return(0);
}
public override void CalculateMetrics(FeatureSubsetModel<IPredictorProducing<TOutput>> model,
ISubsetSelector subsetSelector, Subset subset, Batch batch, bool needMetrics)
{
base.CalculateMetrics(model, subsetSelector, subset, batch, true);
}
