private bool IsSubset(IEmergingPattern pat1, IEmergingPattern pat2)
{
return(pat2.Items.All(x => pat1.Items.Any(y =>
{
SubsetRelation relation = comparer.Compare(y, x);
return relation == SubsetRelation.Equal ||
relation == SubsetRelation.Subset;
})));
}
public IEmergingPattern Simplify(IEmergingPattern p)
{
EmergingPattern result = new EmergingPattern(p.Model, p.ClassFeature, p.ClassValue);
if (p.Counts != null)
{
result.Counts = (double[])p.Counts.Clone();
}
if (p.Supports != null)
{
result.Supports = (double[])p.Supports.Clone();
}
_collection.SetResultCollection(result.Items);
_collection.AddRange(p.Items);
return(result);
}
public SubsetRelation Compare(IEmergingPattern pat1, IEmergingPattern pat2)
{
bool directSubset = IsSubset(pat1, pat2);
bool inverseSubset = IsSubset(pat2, pat1);
if (directSubset && inverseSubset)
{
return(SubsetRelation.Equal);
}
else if (directSubset)
{
return(SubsetRelation.Subset);
}
else if (inverseSubset)
{
return(SubsetRelation.Superset);
}
else
{
return(SubsetRelation.Unrelated);
}
}
public bool Test(IEmergingPattern patttern)
{
return(true);
}
