private IList <Rule> GetStrongRules(double minConfidence, HashSet <Rule> rules)
{
var strongRules = new List <Rule>();
foreach (Rule rule in rules)
{
string xy = Apriori.Sort(rule.X + rule.Y);
AddStrongRule(rule, xy, strongRules, minConfidence);
}
strongRules.Sort();
return(strongRules);
}
private Dictionary <string, double> GenerateCandidates(IList <Item> frequentItems)
{
Dictionary <string, double> candidates = new Dictionary <string, double>();
for (int i = 0; i < frequentItems.Count - 1; i++)
{
string firstItem = Apriori.Sort(frequentItems[i].Name);
for (int j = i + 1; j < frequentItems.Count; j++)
{
string secondItem = Apriori.Sort(frequentItems[j].Name);
string generatedCandidate = GenerateCandidate(firstItem, secondItem);
if (generatedCandidate != string.Empty)
{
candidates.Add(generatedCandidate, GetSupport(generatedCandidate));
}
}
}
return(candidates);
}
public override int GetHashCode()
{
return(Apriori.Sort(X + Y).GetHashCode());
}
