public void WriteResults(string dataFileName, Dataset dataset)
{
// Get columns
int[] columns = new int[_itemset.Count];
for (int i = 0; i < _itemset.Count; i++)
{
columns[i] = _itemset.GetItem(i);
}
// Get rows
Utils.FastSparseBitArray rowsBits = _itemset.GetTransactions();
int[] rows = new int[_itemset.support];
int rowsPos = 0;
for (int i = 0; i < dataset.RowCount; i++)
{
if (rowsBits.Get(i) == true)
{
rows[rowsPos] = i;
rowsPos++;
}
}
Dataset subMatrix = dataset.GetSubMatrix(columns, rows);
StreamWriter sw = null;
try
{
sw = new StreamWriter(dataFileName, false);
subMatrix.SaveFile(sw);
}
finally
{
if (sw != null)
{
sw.Close();
}
}
}
