/// <summary>
/// Calculation method.
/// </summary>
/// <param name="chain">
/// Source sequence.
/// </param>
/// <param name="link">
/// Redundant parameter, not used in calculations.
/// </param>
/// <returns>
/// Average word length in <see cref="double"/> value.
/// </returns>
public double Calculate(Chain chain, Link link)
{
int chainLength = chain.GetLength();
int sum = 0;
for (int i = 0; i < chainLength; i++)
{
sum += ((ValueString)chain[i]).Value.Length;
}
return sum / (double)chainLength;
}
/// <summary>
/// Calculation method.
/// </summary>
/// <param name="chain">
/// Source sequence.
/// </param>
/// <param name="link">
/// Link of intervals in chain.
/// </param>
/// <returns>
/// Variations count as <see cref="double"/>.
/// </returns>
public double Calculate(Chain chain, Link link)
{
int count = 1;
for (int i = 0; i < chain.GetLength(); i++)
{
var j = chain[i] as ValuePhantom;
if (j != null)
{
count *= ((ValuePhantom)chain[i]).Cardinality;
}
}
return count;
}
/// <summary>
/// Calculation method.
/// </summary>
/// <param name="chain">
/// Source sequence.
/// </param>
/// <param name="link">
/// Redundant parameter, not used in calculations.
/// </param>
/// <returns>
/// Cut length vocabulary entropy as <see cref="double"/>.
/// </returns>
public double Calculate(Chain chain, Link link)
{
return Math.Log(chain.GetLength() - cutLength.Calculate(chain, link) + 1, 2);
}
/// <summary>
/// Calculation method.
/// </summary>
/// <param name="chain">
/// Source sequence.
/// </param>
/// <param name="link">
/// Redundant parameter, not used in calculations.
/// </param>
/// <returns>
/// Chain length as <see cref="double"/>.
/// </returns>
public double Calculate(Chain chain, Link link)
{
return chain.GetLength();
}
