public void BuildChart2(Chart chart)
{
chart.Series.Clear();
double X1 = X.Max();
double Y1 = GetEmpRegrYonX() * (X1 - Statistic.GetAverStatic(X)) + Statistic.GetAverStatic(Y);
double X2 = X.Min();
double Y2 = GetEmpRegrYonX() * (X2 - Statistic.GetAverStatic(X)) + Statistic.GetAverStatic(Y);
chart.Series.Add("YonX");
chart.Series["YonX"].BorderWidth = 3;
chart.Series["YonX"].ChartType = SeriesChartType.Line;
chart.Series["YonX"].Points.AddXY(Math.Round(X1, ROUND_DIGITS), Math.Round(Y1, ROUND_DIGITS));
chart.Series["YonX"].Points.AddXY(Math.Round(X2, ROUND_DIGITS), Math.Round(Y2, ROUND_DIGITS));
Y1 = Y.Max();
X1 = GetEmpRegrXonY() * (Y1 - Statistic.GetAverStatic(Y)) + Statistic.GetAverStatic(X);
Y2 = Y.Min();
X2 = GetEmpRegrXonY() * (Y2 - Statistic.GetAverStatic(Y)) + Statistic.GetAverStatic(X);
chart.Series.Add("XonY");
chart.Series["XonY"].BorderWidth = 3;
chart.Series["XonY"].ChartType = SeriesChartType.Line;
chart.Series["XonY"].Points.AddXY(Math.Round(X1, ROUND_DIGITS), Math.Round(Y1, ROUND_DIGITS));
chart.Series["XonY"].Points.AddXY(Math.Round(X2, ROUND_DIGITS), Math.Round(Y2, ROUND_DIGITS));
}
public Correlation(double[] x, double[] y)
{
X = (double[])x.Clone();
Y = (double[])y.Clone();
XAverStat = Statistic.GetAverStatic(X);
YAverStat = Statistic.GetAverStatic(Y);
Sx = Statistic.GetMeanSqrDeviation(X);
Sy = Statistic.GetMeanSqrDeviation(Y);
}
public static double GetCov(double[] X, double[] Y)
{
double COVxy = 0;
for (int i = 0; i < X.Length && i < Y.Length; ++i)
{
COVxy += (X[i] - Statistic.GetAverStatic(X)) * (Y[i] - Statistic.GetAverStatic(Y)) / X.Length;
}
return(COVxy);
}
public double[] GetIntersectionPoint2()
{
double[] Point = new double[2];
if ((1 - GetEmpRegrXonY() * GetEmpRegrYonX()) != 0)
{
Point[0] = (Statistic.GetAverStatic(X) - Statistic.GetAverStatic(X) * GetEmpRegrYonX() * GetEmpRegrXonY()) / (1 - GetEmpRegrXonY() * GetEmpRegrYonX());
Point[1] = GetEmpRegrXonY() * (Point[0] - Statistic.GetAverStatic(X)) + Statistic.GetAverStatic(Y);
return(Point);
}
else
{
return(null);
}
}
public string GetXYEquation()
{
return(String.Format("x* - {0} = {1} ( y* - {2} )", Math.Round(Statistic.GetAverStatic(X), ROUND_DIGITS), Math.Round(GetEmpRegrXonY(), ROUND_DIGITS), Math.Round(Statistic.GetAverStatic(Y), ROUND_DIGITS)));
}
public static void FillDSRGrid(double[] Elements, System.Windows.Forms.DataGridView Grid)
{
CRow Row = new CRow(new List <double>(Elements));
int Length = Row.UniqLength();
Grid.ColumnCount = 2 + Elements.Length;
Grid.Rows.Clear();
string[] row = new string[Grid.ColumnCount];
row[0] = "x";
for (int i = 0; i < Length; ++i)
{
row[i + 1] = Row.Elements[i].numb.ToString();
}
Grid.Rows.Add(row);
row[0] = "m";
for (int i = 0; i < Length; ++i)
{
row[i + 1] = Row.Elements[i].frequency.ToString();
}
Grid.Rows.Add(row);
row[0] = "p*";
for (int i = 0; i < Length; ++i)
{
row[i + 1] = Math.Round(Row.Elements[i].rel_frequency, LabToolz.ROUND_DIGITS).ToString();
}
Grid.Rows.Add(row);
row[0] = "acum(m)";
for (int i = 0; i < Length; ++i)
{
row[i + 1] = Row.Elements[i].acum_freq.ToString();
}
Grid.Rows.Add(row);
row[0] = "acum(p*)";
for (int i = 0; i < Length; ++i)
{
row[i + 1] = Math.Round(Row.Elements[i].acum_rel_freq, LabToolz.ROUND_DIGITS).ToString();
}
string[] row2 = { " " };
Grid.Rows.Add(row2);
row[0] = "x - averstat(x)";
double sum = 0;
double averstat = Statistic.GetAverStatic(Elements);
for (int i = 0; i < Length; ++i)
{
sum += Row.Elements[i].numb - averstat;
row[i + 1] = (Row.Elements[i].numb - averstat).ToString();
}
row[Length + 1] = "SUM=" + sum;
Grid.Rows.Add(row);
row[0] = "(x - averstat(x))^2";
sum = 0;
averstat = Statistic.GetAverStatic(Elements);
for (int i = 0; i < Length; ++i)
{
sum += (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat);
row[i + 1] = ((Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat)).ToString();
}
row[Length + 1] = "SUM=" + sum;
Grid.Rows.Add(row);
row[0] = "(x - averstat(x))^3";
sum = 0;
averstat = Statistic.GetAverStatic(Elements);
for (int i = 0; i < Length; ++i)
{
sum += (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat);
row[i + 1] = ((Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat)).ToString();
}
row[Length + 1] = "SUM=" + sum;
Grid.Rows.Add(row);
row[0] = "(x - averstat(x))^4";
sum = 0;
averstat = Statistic.GetAverStatic(Elements);
for (int i = 0; i < Length; ++i)
{
sum += (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat);
row[i + 1] = ((Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat) * (Row.Elements[i].numb - averstat)).ToString();
}
row[Length + 1] = "SUM=" + sum;
Grid.Rows.Add(row);
Grid.Rows.Add(row2);
row[0] = "x";
row[1] = "[-intf;" + Row.Elements[0].numb.ToString() + ")";
for (int i = 1; i < Length; ++i)
{
row[i + 1] = "[ " + Row.Elements[i - 1].numb.ToString() + ";" + Row.Elements[i].numb.ToString() + ")";
}
row[Length + 1] = "[ " + Row.Elements[Length - 1].numb.ToString() + ";+ inf]";
Grid.Rows.Add(row);
row[0] = "F*(x)";
row[1] = "0";
for (int i = 1; i < Length; ++i)
{
row[i + 1] = Math.Round(Row.Elements[i - 1].acum_rel_freq, LabToolz.ROUND_DIGITS).ToString();
}
row[Length + 1] = "1";
Grid.Rows.Add(row);
for (int i = 0; i < Grid.Columns.Count; ++i)
{
DataGridViewColumn column = Grid.Columns[i];
column.Width = 80;
}
}
