private void ShowHistogram(Func <double, double> p, Func <double, double> g, int[] data, double min, double max)
{
ResetChart();
chart.ChartAreas[0].AxisX.IntervalAutoMode = IntervalAutoMode.VariableCount;
chart.ChartAreas[0].AxisY.Minimum = 0;
Series series = new Series("Histogram")
{
ChartType = SeriesChartType.Column,
Color = Color.Gray
};
Series seriesP = new Series("p(x)")
{
ChartType = SeriesChartType.Line,
Color = Color.Blue,
};
Series seriesG = new Series("g(x)")
{
ChartType = SeriesChartType.Line,
Color = Color.Green,
};
double step = (max - min) / data.Length;
for (int i = 0; i < data.Length; i++)
{
double x = Math.Round(step * i + min, 3);
series.Points.Add(new DataPoint(x, data[i]));
}
double scaleP = data[0] / g(min);
step = (max - min) / 500;
for (int j = 0; j < 500; j++)
{
double x = Math.Round(step * j + min, 3);
seriesP.Points.Add(new DataPoint(x, p(x) * scaleP));
seriesG.Points.Add(new DataPoint(x, g(x) * scaleP));
}
chart.Series.Clear();
chart.Series.Add(series);
chart.Series.Add(seriesP);
chart.Series.Add(seriesG);
Series seriesLine = new Series("X1, X2")
{
ChartType = SeriesChartType.Point,
Color = Color.Red,
BorderWidth = 2,
};
var distr = _est.MakeDistr(0.95);
seriesLine.Points.AddXY(distr.X1, p(distr.X1));
seriesLine.Points.AddXY(distr.X1, g(distr.X1));
seriesLine.Points.AddXY(distr.X2, p(distr.X2));
seriesLine.Points.AddXY(distr.X2, g(distr.X2));
//chart1.Series.Add(seriesLine);
Refresh();
}