public PerDatabaseInfo(ScoreTable table, AccuracyMeasure measure)
{
CombinedScores = table.GetMultiFingerTable(measure.MultiFingerPolicy);
ROC.Compute(CombinedScores);
Range.Compute(ROC, measure.ErrorPolicyFunction);
Scalar = measure.ScalarMeasure.Measure(Range.Rate);
Separation = measure.Separation.Measure(CombinedScores);
}
public AccuracyStatistics(ScoreTable[] tables, AccuracyMeasure measure)
{
Name = measure.Name;
PerDatabase = (from table in tables.AsParallel().AsOrdered()
select new PerDatabaseInfo(table, measure)).ToArray();
AverageError = PerDatabase.Average(db => db.Scalar);
Separation = PerDatabase.Average(db => db.Separation);
TopErrors = new TopErrors(tables);
}
static List <AccuracyMeasure> GenerateDefault()
{
List <AccuracyMeasure> all = new List <AccuracyMeasure>();
AccuracyMeasure measure;
measure = new AccuracyMeasure();
measure.Name = "Standard";
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "PreferFAR";
measure.ErrorPolicyFunction = ErrorPolicy.PreferFAR;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "ZeroFAR";
measure.ErrorPolicyFunction = ErrorPolicy.ZeroFAR;
measure.ScalarMeasure = ScalarErrorMeasure.FRR;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "FAR100";
measure.ErrorPolicyFunction = ErrorPolicy.FAR100;
measure.ScalarMeasure = ScalarErrorMeasure.FRR;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "1-of-2";
measure.MultiFingerPolicy = MultiFingerPolicy.Take1Of2;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "1-of-3";
measure.MultiFingerPolicy = MultiFingerPolicy.Take1Of3;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "2-of-3";
measure.MultiFingerPolicy = MultiFingerPolicy.Take2Of3;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "1-of-4";
measure.MultiFingerPolicy = MultiFingerPolicy.Take1Of4;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "2-of-4";
measure.MultiFingerPolicy = MultiFingerPolicy.Take2Of4;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "1-of-5";
measure.MultiFingerPolicy = MultiFingerPolicy.Take1Of5;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "2-of-5";
measure.MultiFingerPolicy = MultiFingerPolicy.Take2Of5;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "MinMax";
measure.Separation = SeparationMeasure.MinMax;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "StandardDeviation";
measure.Separation = SeparationMeasure.StandardDeviation;
all.Add(measure);
measure = new AccuracyMeasure();
measure.Name = "HalfDistance";
measure.Separation = SeparationMeasure.HalfDistance;
all.Add(measure);
return(all);
}