private void AprioriTid(IFormFile newFile)
{
int Support = 2;
if (newFile != null && newFile.Length > 0)
{
using (var tr = new System.IO.StreamReader(newFile.OpenReadStream()))
{
while ((line = tr.ReadLine()) != null)
{
line.Replace("\t", "#");
lines.Add(line);
}
}
}
else
{
}
List <BAL.ItemSet> tableitemset = GetitemList(lines.ToList());
// Fill table of items
newList = tableitemset;
// write to new file new candiaties
string docPath = Path.Combine(_hostEnvironment.WebRootPath, "File");
// Write the string array to a new file named "WriteLines.txt".
using (StreamWriter outputFile = new StreamWriter(Path.Combine(docPath, "TempFile.txt")))
{
foreach (ItemSet line in tableitemset)
{
outputFile.WriteLine(line.Label);
}
}
BAL.Apriori apriori = new Apriori(Path.Combine(docPath, "TempFile.txt"));
int k = 1;
List <BAL.ItemSet> ItemSets = new List <BAL.ItemSet>();
// BAL.Apriori aprioriTid = new BAL.Apriori(tableitemset.ToList());
bool next;
do
{
next = false;
var L = apriori.GetItemSet(k, Support, IsFirstItemList: k == 1);
if (L.Count > 0)
{
List <AssociationRule> rules = new List <AssociationRule>();
if (k != 1)
{
rules = apriori.GetRules(L);
}
// TableUserControl tableL = new TableUserControl(L, rules);
_LList.Add(new BAL.ItemSet()
{
Support = 0, Label = "L" + k
});
TableUserControl(L, rules);
next = true;
k++;
ItemSets.Add(L);
}
} while (next);
}
