public void ConstructorGeneratesExpertone()
{
var expertone = new Expertone<string>(this.GetTestExpertise());
var lowerItemslist = expertone.LowerValues;
Assert.NotNull(lowerItemslist);
Assert.AreEqual(11, lowerItemslist.Count);
Assert.AreEqual(0.9m, lowerItemslist[0]);
Assert.AreEqual(0.9m, lowerItemslist[1]);
Assert.AreEqual(0.9m, lowerItemslist[2]);
Assert.AreEqual(0.9m, lowerItemslist[3]);
Assert.AreEqual(0.9m, lowerItemslist[4]);
Assert.AreEqual(0.7m, lowerItemslist[5]);
Assert.AreEqual(0.6m, lowerItemslist[6]);
Assert.AreEqual(0.3m, lowerItemslist[7]);
Assert.AreEqual(0.3m, lowerItemslist[8]);
Assert.AreEqual(0.3m, lowerItemslist[9]);
Assert.AreEqual(0m, lowerItemslist[10]);
var upperItemslist = expertone.UpperValues;
Assert.NotNull(upperItemslist);
Assert.AreEqual(11, upperItemslist.Count);
Assert.AreEqual(1, upperItemslist[0]);
Assert.AreEqual(0.9m, upperItemslist[1]);
Assert.AreEqual(0.9m, upperItemslist[2]);
Assert.AreEqual(0.9m, upperItemslist[3]);
Assert.AreEqual(0.9m, upperItemslist[4]);
Assert.AreEqual(0.8m, upperItemslist[5]);
Assert.AreEqual(0.8m, upperItemslist[6]);
Assert.AreEqual(0.7m, upperItemslist[7]);
Assert.AreEqual(0.6m, upperItemslist[8]);
Assert.AreEqual(0.5m, upperItemslist[9]);
Assert.AreEqual(0m, upperItemslist[10]);
}
public void GetExpectedValueRetursProperInterval()
{
var expertone = new Expertone<string>(this.GetTestExpertise());
var expectedValue = expertone.GetExpectedValue();
Assert.NotNull(expectedValue);
Assert.AreEqual(0.67m, expectedValue.LowerBound);
Assert.AreEqual(0.8m, expectedValue.UpperBound);
}
/// <summary>
/// Aggregates the linguistic information privided in the expertise using the expertone method.
/// </summary>
/// <param name="expertise">The expertise.</param>
/// <param name="hierarchy">The hierarchy for the labels in the expertise.</param>
/// <param name="referenceLevel">The reference level where we shall standarize the expertise.</param>
/// <returns>
/// An adjusted interval aggregating the linguistic information provided in the expertise.
/// </returns>
Interval IExpertoneAggregator.AggregateByExpertone(Expertise expertise, Hierarchy hierarchy, int referenceLevel)
{
Contract.NotNull(expertise, "expertise");
Contract.NotNull(hierarchy, "hierarchy");
var standardExpertise = this.standardizer.Standardize(expertise, hierarchy, referenceLevel);
TwoTupleCardinalities cardinalities = new TwoTupleCardinalities(standardExpertise);
var expertone = new Expertone<TwoTuple>(cardinalities);
var expectedValue = expertone.GetExpectedValue();
var expectedInterval = expertone.Interval.LowerBound + ((expertone.Interval.Width) * expectedValue);
return expectedInterval;
}
