Пример #1
0
        public void Generalized()
        {
            // given
            IList <double> list1 = new List <double>()
            {
                1, 2, 3, 4, 5
            };
            IList <double> list2 = new List <double>()
            {
                3, 7, 11, 23, 111
            };
            IList <double> list3 = new List <double>()
            {
                -2, 0, 1, 5
            };
            IList <IList <double> > list4 = new List <IList <double> >()
            {
                list1, new List <double>()
                {
                    2, 1
                }
            };
            int            rank1     = 2;
            int            rank2     = 3;
            int            rank3     = 4;
            double         expected1 = Math.Sqrt(11.0);
            double         expected2 = Mathematics.Root(1381499.0 / 5.0, rank2);
            double         expected3 = Mathematics.Root(2217.0 / 2.0, rank3) - (Math.Abs(list3.Min()) + 1.0);
            IList <double> expected4 = new List <double>()
            {
                expected1, Math.Sqrt(5.0 / 2.0)
            };

            // when
            double         result1 = Averages.Generalized(list1, StandardMeanVariants.Straight, rank1).Value;
            double         result2 = Averages.Generalized(list2, StandardMeanVariants.Straight, rank2).Value;
            double         result3 = Averages.Generalized(list3, StandardMeanVariants.Offset, rank3).Value;
            IList <double> result4 = Averages.Generalized(list4, StandardMeanVariants.Straight, rank1);

            // then
            Assert.AreEqual(expected1, result1, Assertions.IBM_FLOAT_SURROUNDING);
            Assert.AreEqual(expected2, result2, Assertions.IBM_FLOAT_SURROUNDING);
            Assert.AreEqual(expected3, result3, Assertions.IBM_FLOAT_SURROUNDING);
            Assertions.SameValues(expected4, result4);
        }
Пример #2
0
        public bool?TryMakeAverageCurve(MeanType method, int curvesNo)
        {
            if (curvesNo < 0)
            {
                return(null);
            }

            string         signature = string.Empty;
            IList <double> result    = new List <double>();

            try {
                signature = MethodBase.GetCurrentMethod().Name + '(' + method + ',' + curvesNo + ')';
                IList <IList <double> > orderedSetOfCurves = SeriesAssist.GetOrderedCopy(ModifiedCurves, curvesNo);

                switch (method)
                {
                case MeanType.Median:
                    result = Averages.Median(orderedSetOfCurves);
                    break;

                case MeanType.Maximum:
                    result = Averages.Maximum(orderedSetOfCurves);
                    break;

                case MeanType.Minimum:
                    result = Averages.Minimum(orderedSetOfCurves);
                    break;

                case MeanType.Arithmetic:
                    result = Averages.Arithmetic(orderedSetOfCurves);
                    break;

                case MeanType.Geometric:
                    result = Averages.Geometric(orderedSetOfCurves, MeansParams.Geometric.Variant);
                    break;

                case MeanType.AGM:
                    result = Averages.AGM(orderedSetOfCurves, MeansParams.AGM.Variant);
                    break;

                case MeanType.Heronian:
                    result = Averages.Heronian(orderedSetOfCurves, MeansParams.Heronian.Variant);
                    break;

                case MeanType.Harmonic:
                    result = Averages.Harmonic(orderedSetOfCurves, MeansParams.Harmonic.Variant);
                    break;

                case MeanType.Generalized:
                    result = Averages.Generalized(orderedSetOfCurves, MeansParams.Generalized.Variant, MeansParams.Generalized.Rank);
                    break;

                case MeanType.SMA:
                    result = Averages.SMA(orderedSetOfCurves);
                    break;

                case MeanType.Tolerance:
                    result = Averages.Tolerance(orderedSetOfCurves, MeansParams.Tolerance.Tolerance, MeansParams.Tolerance.Finisher);
                    break;

                case MeanType.Central:
                    result = Averages.Central(orderedSetOfCurves, MeansParams.Central.MassPercent);
                    break;

                case MeanType.NN:
                    result = Smoothers.NearestNeighbors(orderedSetOfCurves, MeansParams.NN.Amount);
                    break;

                case MeanType.NadarayaWatson:
                    result = Smoothers.NadarayaWatson(orderedSetOfCurves, MeansParams.NadarayaWatson.Variant, MeansParams.NadarayaWatson.KernelType, MeansParams.NadarayaWatson.KernelSize);
                    break;
                }
            }
            catch (ArgumentOutOfRangeException ex) {
                log.Error(signature, ex);
                return(false);
            }
            catch (OverflowException ex) {
                log.Error(signature, ex);
                return(false);
            }
            catch (InvalidOperationException ex) {
                log.Error(signature, ex);
                return(false);
            }
            catch (Exception ex) {
                log.Fatal(signature, ex);
                return(false);
            }

            AverageCurve.Points.Clear();
            SeriesAssist.CopyPoints(AverageCurve, IdealCurve, result);
            return(SeriesAssist.IsChartAcceptable(AverageCurve));
        }