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 double GetEmpRegrYonX()
{
return(Statistic.GetCorr(X, Y) * Statistic.GetModifyMeanSqrDeviation(Y) / Statistic.GetModifyMeanSqrDeviation(X));
}
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 double GetEmpRegrXonY(double[] X, double[] Y)
{
return(Statistic.GetCorr(X, Y) * Statistic.GetModifyMeanSqrDeviation(X) / Statistic.GetModifyMeanSqrDeviation(Y));
}
public static double GetCorr(double[] X, double[] Y)
{
double CORRxy = Statistic.GetCov(X, Y) / (GetSx(X) * GetSy(Y));
return(CORRxy);
}
public static double GetSy(double[] Y)
{
return(Statistic.GetMeanSqrDeviation(Y));
}
public static double GetSx(double[] X)
{
return(Statistic.GetMeanSqrDeviation(X));
}
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;
}
}
