public FPTree(Arff source, int minimumCoverage, int maximumItemSetSize, double minimumAccuracy, int resultSize)
{
//load input
Source = source;
MinimumCoverage = minimumCoverage;
MaximumItemSetSize = maximumItemSetSize;
MinimumAccuracy = minimumAccuracy;
ResultSize = resultSize;
//initiate Root
Root = new FPTreeNode();
//local variables
ItemSet ItemSet;
ItemSet HighFrequencyOneItemSet;
FPTreeTable FPTreeTable;
//get the size 1 ItemSet
ItemSet = new ItemSet(Source);
//initiate High Frequency 1-item set
HighFrequencyOneItemSet = ItemSet.DeepCopy();
HighFrequencyOneItemSet.MeetMinimumCoverage(MinimumCoverage);
HighFrequencyOneItemSet.OrderByFrequencyDescending();
//initiate FPTreeTable
FPTreeTable = new FPTreeTable(Source, HighFrequencyOneItemSet);
//build FPTree
BuildFPTreeFromRoot(FPTreeTable);
}
public FPTreeNode(FPTreeTableRecordItem item, FPTreeNode parent)
{
Item = item;
Parent = parent;
Children = new List<FPTreeNode>();
}
public FPTreeNode()
{
Item = null;
Parent = null;
Children = new List<FPTreeNode>();
}