QLNet.GeneralStatistics.topPercentile C# (CSharp) Метод

        public double topPercentile(double percent)
        {
            if (!(percent > 0.0 && percent <= 1.0))
                throw new ApplicationException("percentile (" + percent + ") must be in (0.0, 1.0]");

            double sampleWeight = weightSum();
            if (!(sampleWeight > 0)) throw new ApplicationException("empty sample set");

            sort();

            double integral = 0, target = 1 - percent*sampleWeight;
            int pos = samples_.Count<KeyValuePair<double, double>>(x => { integral += x.Value; return integral < target; } );
            return samples_[pos].Key;
        }