Beispiel #1
0
        public void SSAForecast_Test()
        {
            var _ts = getAirPassengersData(); // Monthly time-series data
            //DataFrame.ToCsv("usa_deaths.csv",df);
            //var ts = df.ToSeries().Select(x => Convert.ToDouble(x));
            //embed
            var ssa = new SSA(_ts);
            //embed
            var x = ssa.Embedding(12);

            //decompose
            ssa.Decompose();

            //
            var charts = ssa.PlotEigenPairs();

            XPlot.Plotly.Chart.ShowAll(charts);


            var ff        = ssa.Forecast(new int[] { 1, 2, 3, 5, 7 }, 6, method: Forecasting.Rforecasing);
            var scatters1 = new Scatter()
            {
                name = "Predicted", x = Enumerable.Range(1, ff.Length), y = ff, mode = "line",
            };
            var scatters2 = new Scatter()
            {
                name = "Actual", x = Enumerable.Range(1, _ts.Count()), y = _ts, mode = "line", fillcolor = "Blue"
            };

            var chart = XPlot.Plotly.Chart.Plot <Trace>(new Trace[] { scatters1, scatters2 });

            chart.Show();
        }
Beispiel #2
0
        public void SSA_Correlation_Test02()
        {
            //
            var df = getMonthlyDeatsData(); // Monthly time-series data
            //DataFrame.ToCsv("usa_deaths.csv",df);
            var ts = df.ToSeries().Select(x => Convert.ToDouble(x));
            //embed
            var ssa = new SSA(ts);
            //embed
            var x = ssa.Embedding(24);

            PlotMatrix(x).Show();

            //decompose
            ssa.Decompose();
            var plt = new List <XPlot.Plotly.PlotlyChart> ();

            foreach (var tm in ssa.EM)
            {
                plt.Add(PlotMatrix(tm.Value));
            }
            XPlot.Plotly.Chart.ShowAll(plt);

            var f1   = ssa.Reconstruct(1);
            var sct1 = new Scatter()
            {
                name = "Actual", x = Enumerable.Range(1, f1.Length), y = f1, mode = "line",
            };
            var chart1 = XPlot.Plotly.Chart.Plot <Trace>(new Trace[] { sct1 });

            chart1.Show();


            var ff        = ssa.Forecast(new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 }, 6, method: Forecasting.Rforecasing);
            var scatters1 = new Scatter()
            {
                name = "Predicted", x = Enumerable.Range(1, ff.Length), y = ff, mode = "line",
            };
            var scatters2 = new Scatter()
            {
                name = "Actual", x = Enumerable.Range(1, ts.Count()), y = ts, mode = "line", fillcolor = "Blue"
            };

            var chart = XPlot.Plotly.Chart.Plot <Trace>(new Trace[] { scatters1, scatters2 });

            // chart.Show();
            // int i= 0;
            // ssa.PlotComponents(12);

            //
            ssa.PlotSingularValues().Show();

            //
            var charts = ssa.PlotEigenPairs();

            XPlot.Plotly.Chart.ShowAll(charts);

            var w = ssa.WCorrelation(new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 });

            ssa.PlotwCorrelation(w).Show();
        }