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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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namespace FuzzyString
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{
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public static partial class ComparisonMetrics
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{
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public static double JaccardDistance(this string source, string target)
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{
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return 1 - source.JaccardIndex(target);
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}
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public static double JaccardIndex(this string source, string target)
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{
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return (Convert.ToDouble(source.Intersect(target).Count())) / (Convert.ToDouble(source.Union(target).Count()));
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}
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}
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}
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