private void FrequentProducts(int product)
{
var apriori = new Apriori(Tree);
FrequentItem[] items = apriori.GetFrequentItems(product);
var sb = new StringBuilder();
sb.AppendLine($"Frequent product for: {product}. Find {items.Length} results;");
foreach (var frequentItem in items.OrderByDescending(x => x.Confidence))
{
sb.AppendLine(frequentItem.ToString());
}
string path = Path.Combine(DirectoryPath, $"{TreeName}-frequentproducts-{product}.txt");
File.WriteAllText(path, sb.ToString());
}
