|
|
|
|
|
using System;
|
|
|
|
|
|
using System.Collections.Generic;
|
|
|
|
|
|
using System.Linq;
|
|
|
|
|
|
using System.Text;
|
|
|
|
|
|
|
|
|
|
|
|
namespace FuzzyString
|
|
|
|
|
|
{
|
|
|
|
|
|
public static partial class ComparisonMetrics
|
|
|
|
|
|
{
|
|
|
|
|
|
public static double SorensenDiceDistance(this string source, string target)
|
|
|
|
|
|
{
|
|
|
|
|
|
return 1 - source.SorensenDiceIndex(target);
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
public static double SorensenDiceIndex(this string source, string target)
|
|
|
|
|
|
{
|
|
|
|
|
|
return (2 * Convert.ToDouble(source.Intersect(target).Count())) / (Convert.ToDouble(source.Length + target.Length));
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
