public void Read()
{
var ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
m_stat.Setd(ofd.FileName);
m_stat.CalcMainParams();
}
}
public static Vector FindParamsForThreeDim(STAT x1Stat, STAT x2Stat, STAT yStat)
{
int n = x1Stat.d.Length;
//подсчет средних
x1Stat.CalcMainParams();
x2Stat.CalcMainParams();
yStat.CalcMainParams();
double x1x2 = 0, yx1 = 0, yx2 = 0;
//перенос массивов в переменные
var x1 = x1Stat.d;
var x2 = x2Stat.d;
var y = yStat.d;
for (int i = 0; i < n; i++)
{
//перенос значений массивов в переменные
var x1Val = x1[i];
var x2Val = x2[i];
var yVal = y[i];
x1x2 += x1Val * x2Val;
yx1 += yVal * x1Val;
yx2 += yVal * x2Val;
}
x1x2 /= n;
yx1 /= n;
yx2 /= n;
//перенос средних в переменные
var x1Expectation = x1Stat.Expectation;
var x2Expectation = x2Stat.Expectation;
var yExpectation = yStat.Expectation;
//заполнение матрицы
Matrix matrix = new Matrix(3, 3, new[]
{
1, x1Expectation, x2Expectation,
x1Expectation, x1Stat.InitialMoment(2), x1x2,
x2Expectation, x1x2, x2Stat.InitialMoment(2)
});
Vector b = new Vector(new[] { yExpectation, yx1, yx2 });
return(matrix.Solve(b));
}
