public System.Data.DataTable GetAttributes()
{
//construct the table column names
System.Data.DataTable table = new System.Data.DataTable();
table.Columns.Add("Columns", typeof(string));
table.Columns.Add("ColumnType", typeof(string));
if (Context.ExecuteForPrepare)
{
return(table);
}
for (uint i = 0; i < AttributeSet.GetAttributeCount(); i++)
{
if (!isNominal(i))
{
table.Rows.Add(AttributeSet.GetAttributeDisplayName(i, false), "Continuous");
}
else
{
if (!isTarget(i))
{
table.Rows.Add(AttributeSet.GetAttributeDisplayName(i, false), "Discrete");
}
}
}
return(table);
}
/// <summary>
/// Returns the target attribute
/// </summary>
/// <returns>Target attribute</returns>
protected uint getTargetAttribute()
{
for (uint i = 0; i < AttributeSet.GetAttributeCount(); i++)
{
if (isTarget(i))
{
return(i);
}
}
throw new Exception("No predict attribute specified");
}
/// <summary>
/// returns the names of the attributes
/// </summary>
/// <returns></returns>
public String[] getAttributeNames()
{
LinkedList <string> values = new LinkedList <string>();
//SortedDictionary<uint, double>.Enumerator enumerator = dict.GetEnumerator();
for (uint i = 0; i < AttributeSet.GetAttributeCount(); i++)
{
if (!isNominal(i))
{
values.AddLast(AttributeSet.GetAttributeDisplayName(i, false));
}
else
{
if (!isTarget(i))
{
for (uint j = 0; j < AttributeSet.GetAttributeStateCount(i); j++)
{
StateValue value = new StateValue();
value.SetIndex(j);
object valuea = AttributeSet.UntokenizeAttributeValue(i, value);
string name;
if (valuea == null)
{
name = "NULL";
}
else
{
name = valuea.ToString();
if (name.Equals(""))
{
name = "NULL";
}
}
values.AddLast(AttributeSet.GetAttributeDisplayName(i, false) + "." + name);
}
}
}
}
string[] output = new string[values.Count];
values.CopyTo(output, 0);
return(output);
}
