private void DetermineMaximal(Depth depth)
{
var couldBeMaximal = PatternsFrequent.GetPotentialMaximalAtDepth(depth + 1);
foreach (var pt in couldBeMaximal)
{
pt.DetermineMaximal(depth + 1);
if (pt.IsMaximal == YesNoUnknown.Yes)
{
PatternsFrequent.AddMaximal(pt);
}
}
}
/// <summary>
/// For closed and maximal property if required.
/// </summary>
private void EvaluateF1()
{
if (!MiningParams.MineClosed && !MiningParams.MineMaximal)
{
return;
}
var f1Set = PatternsFrequent.Frequent1Pts;
var f2Set = PatternsFrequent.Frequent2Pts;
foreach (OnePatternTree f1 in f1Set.Values)
{
foreach (var f2 in f2Set.Values)
{
if (!f1.IsSuperPattern(f2))
{
continue;
}
f1.CheckMatch(f2);
if (f1.HasOccurrenceMatch != YesNoUnknown.Unknown &&
f1.HasTransactionMatch != YesNoUnknown.Unknown)
{
break;
}
}
if (MiningParams.MineClosed)
{
f1.DetermineClosed();
if (f1.IsClosed == YesNoUnknown.Yes)
{
PatternsFrequent.AddClosed(f1);
}
}
if (MiningParams.MineMaximal)
{
f1.DetermineMaximal();
if (f1.IsMaximal == YesNoUnknown.Yes)
{
PatternsFrequent.AddMaximal(f1);
}
}
}
}