public override string ToString()
{
string str = "";
foreach (SortedList lengthResult in _results.Values)
{
MineResult first = (MineResult)lengthResult.GetByIndex(0);
str += "**********************\n";
str += "Length " + first.Length + "\n";
foreach (MineResult mineResult in lengthResult.Values)
{
str += mineResult.ToString() + "\n";
}
}
return(str);
}
public void WriteResults(Dataset dataset)
{
string targetFileName = Path.Combine(_targetDirectory, "mining-results.txt");
StreamWriter sr = null;
try
{
if (Directory.Exists(_targetDirectory) == false)
{
Directory.CreateDirectory(_targetDirectory);
}
sr = new StreamWriter(targetFileName, false);
foreach (SortedList lengthResult in _results.Values)
{
MineResult first = (MineResult)lengthResult.GetByIndex(0);
int patternLength = first.Length;
sr.WriteLine("**********************");
sr.WriteLine("Length " + patternLength);
int lengthCount = 0;
foreach (MineResult mineResult in lengthResult.Values)
{
lengthCount++;
string dataFileName = string.Format("len-{0}-serial-{1}.txt",
patternLength,
lengthCount);
dataFileName = Path.Combine(_targetDirectory, dataFileName);
sr.WriteLine(mineResult.ToString() + ", Data file: " + dataFileName);
mineResult.WriteResults(dataFileName, dataset);
}
}
}
finally
{
if (sr != null)
{
sr.Close();
}
}
}
public void Add(ItemsetBasic itemset)
{
_totalItemsetsCount++;
if (_writeAllResults == true)
{
_allResultsStream.WriteLine(itemset.ToSimpleString());
}
if (_results.ContainsKey(itemset.Count) == false)
{
_results.Add(itemset.Count, new SortedList());
}
SortedList lengthResult = (SortedList)_results[itemset.Count];
// If the queue of current length is full - check if the new item
// should be inseted
if (lengthResult.Count >= _maxSavedItems)
{
MineResult mineResult = (MineResult)lengthResult.GetByIndex(0);
if (itemset.support <= mineResult.Support)
{
return;
}
}
MineResult result = new MineResult(itemset);
double key = (double)itemset.support;
while (lengthResult.ContainsKey(key))
{
key += 0.00001;
}
lengthResult.Add(key, result);
while (lengthResult.Count > _maxSavedItems)
{
lengthResult.RemoveAt(0);
}
}
public int CompareTo(object o)
{
MineResult other = (MineResult)o;
if (this.Length < other.Length)
{
return(-1);
}
else if (this.Length > other.Length)
{
return(1);
}
else if (this.Support < other.Support)
{
return(-1);
}
else if (this.Support > other.Support)
{
return(1);
}
return(0);
}
