public DataSet removeExample(Example e)
{
DataSet ds = new DataSet(specification);
foreach (Example eg in examples)
{
if (!(e.Equals(eg)))
{
ds.add(eg);
}
}
return ds;
}
public DataSet fromFile(string filename,DataSetSpecification spec,string separator)
{
// assumed file in data directory and ends in .csv
DataSet ds = new DataSet(spec);
// BufferedReader reader = new BufferedReader(new InputStreamReader(
// this.getClass().getResourceAsStream("../data/" + filename + ".csv")));
// string line;
// while ((line = reader.readLine()) != null)
// {
// ds.add(exampleFromString(line,spec,separator));
// }
return ds;
}
public Hashtable splitByAttribute(string attributeName)
{
Hashtable results = new Hashtable();
foreach (Example e in examples)
{
string val = e.getAttributeValueAsString(attributeName);
if (results.Contains(val))
{
//results.get(val).add(e);
((DataSet)results[val]).add(e);
}
else
{
DataSet ds = new DataSet(specification);
ds.add(e);
//results.put(val, ds);
results.Add(val,ds);
}
}
return results;
}
public DataSet matchingDataSet(string attributeName, string attributeValue)
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
if (e.getAttributeValueAsString(attributeName).Equals(attributeValue))
{
ds.add(e);
}
}
return ds;
}
public DataSet copy()
{
DataSet ds = new DataSet(specification);
foreach (Example e in examples)
{
ds.add(e);
}
return ds;
}