ISmPartialCorrelation.Data

Syntax

Data: Array;

Description

The Data property determines the source data matrix.

Comments

Input array indexing must start from zero.

Example

To execute the example, add a link to the Stat system assembly.

Sub UserProc;
Var
    pc: SmPartialCorrelation;
    m1, m2: Array[10,2] Of Double;
    w: Array[10] Of Double;
    res, i, j: Integer;
    PartialCorr, PairCorr: Array Of Double;
Begin
    pc := New SmPartialCorrelation.Create;
    //values m1
    m1[0,0] := -6209; m1[0,1] := 6385;
    m1[1,0] := 4110;  m1[1,1] := 4280;
    m1[2,0] := -6752; m1[2,1] := 4459;
    m1[3,0] := 6837;  m1[3,1] := Double.Nan;
    m1[4,0] := -6495; m1[4,1] := 4664;
    m1[5,0] := 6907;  m1[5,1] := 4861;
    m1[6,0] := 7349;  m1[6,1] := 5195;
    m1[7,0] := 7213;  m1[7,1] := 5389;
    m1[8,0] := -7061; m1[8,1] := Double.Nan;
    m1[9,0] := 7180;  m1[9,1] := 5610;
    pc.Data := m1;
    pc.MissingData.Method := MissingDataMethod.SampleAverage;
    //values m2
    m2[0,0] := 5320;  m2[0,1] := -5484;
    m2[1,0] := -8680; m2[1,1] := 9132;
    m2[2,0] := 5517;  m2[2,1] := -9213;
    m2[3,0] := 5791;  m2[3,1] := 9450;
    m2[4,0] := 5971;  m2[4,1] := 9177;
    m2[5,0] := 6158;  m2[5,1] := 9756;
    m2[6,0] := 6238;  m2[6,1] := 9756;
    m2[7,0] := 6322;  m2[7,1] := 9724;
    m2[8,0] := 6340;  m2[8,1] := 94;
    m2[9,0] := 6569;  m2[9,1] := 99;
    pc.X := m2;
    //values w
    w[0] := 0;
    w[1] := 1;
    w[2] := 2;
    w[3] := 3;
    w[4] := 4;
    w[5] := 0;
    w[6] := 1.5;
    w[7] := 2.2;
    w[8] := 3.4;
    w[9] := 1;
    pc.Weights := w;
    res := pc.Execute;
    If res <> 0 Then
        Debug.Write(pc.Errors);
        Else
            Debug.WriteLine("Matrix of partial correlation coefficients:");
            Debug.Indent;
            For i := 0 To pc.PartialCorrelationMatrix.GetUpperBound(1) Do
                For j := 0 To pc.PartialCorrelationMatrix.GetUpperBound(2) Do
                    PartialCorr := pc.PartialCorrelationMatrix;
                    Debug.Write(PartialCorr[i, j].ToString + ", ");
                End For;
                Debug.WriteLine(" ");
            End For;
            Debug.Unindent;
            Debug.WriteLine("Matrix of paired correlation coefficients:");
            Debug.Indent;
            For i := 0 To pc.PairCorrelationMatrix.GetUpperBound(1) Do
                For j := 0 To pc.PairCorrelationMatrix.GetUpperBound(2) Do
                    PairCorr := pc.PairCorrelationMatrix;
                    Debug.Write(PairCorr[i, j].ToString + ", ");
                End For;
                Debug.WriteLine(" ");
            End For;
            Debug.Unindent;
    End If;
End Sub UserProc;

After executing the example the console window displays the following:

Matrix of partial correlation coefficients.
Matrix of paired correlation coefficients.