/// <summary>
/// A simple String representation of this TwoDimensionalCounter, which has
/// the String representation of each key pair
/// on a separate line, followed by the count for that pair.
/// </summary>
/// <remarks>
/// A simple String representation of this TwoDimensionalCounter, which has
/// the String representation of each key pair
/// on a separate line, followed by the count for that pair.
/// The items are tab separated, so the result is a tab-separated value (TSV)
/// file. Iff none of the keys contain spaces, it will also be possible to
/// treat this as whitespace separated fields.
/// </remarks>
public override string ToString()
{
StringBuilder buff = new StringBuilder();
foreach (K1 key1 in map.Keys)
{
IntCounter <K2> c = GetCounter(key1);
foreach (K2 key2 in c.KeySet())
{
double score = c.GetCount(key2);
buff.Append(key1).Append("\t").Append(key2).Append("\t").Append(score).Append("\n");
}
}
return(buff.ToString());
}
