IDependenceForm.Errors

Syntax

Errors: String;

Description

The Errors property returns a message about all errors and warnings for a dependence form.

Example

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

Sub UserProc;
Var
    trend: SmCurveEstimation;
    d0: Double;
    status, i: Integer;
    ar, factor: Array Of Double;
    Forms: IDependenceForms;
    Dep: IDependenceForm;
Begin
    trend := New SmCurveEstimation.Create;
    ar := New Double[25];
    ar[00] := 4110;
    ar[01] := 4280;
    ar[02] := 4459;
    ar[03] := 4545;
    ar[04] := 4664;
    ar[05] := 4861;
    ar[06] := 5195;
    ar[07] := 5389;
    ar[08] := 5463;
    ar[09] := 5610;
    ar[10] := 5948;
    ar[11] := 6218;
    ar[12] := 6521;
    ar[13] := 6788;
    ar[14] := 7222;
    ar[15] := 7486;
    ar[16] := -7832;
    ar[17] := 8153;
    ar[18] := 8468;
    ar[19] := 9054;
    ar[20] := 9499;
    ar[21] := 9866;
    ar[22] := 10217;
    ar[23] := 10763;
    ar[24] := 10683;
    trend.Explained.Value := ar;
    factor := New Double[20];
    For i := 0 To factor.Length - 1 Do
        factor[i] := i*i + i*21;
    End For;
    trend.Explanatory.Serie.Value := factor;
    trend.ModelPeriod.LastPoint := 20;
    trend.ForecastLastPoint := 30;
    trend.SeasonalComponent.Mode := SeasonalityType.additive;
    trend.SeasonalComponent.Cycle := 4;
    status := trend.Execute;
    If status <> 0 Then
        Debug.WriteLine(trend.Errors);
    Else
        Forms := trend.DependenceForms;
        For i := 0 To Forms.Count - 1 Do
            Dep := Forms.Item(i);
            If Dep.Failed Then
                Debug.WriteLine(Dep.DisplayName + ": " + "Error. " + Dep.Errors);
            Else
                d0 := Dep.CriterionValue;
                Debug.WriteLine(Dep.DisplayName + ": " + d0.ToString);
            End If;
        End For;
    End If;
End Sub UserProc;

After executing the example the console window displays values of model criteria or error messages:

Unit execution started

Linear: 0.238395392542944

Quadratic: 0.238439433589831

Polynomial: 0.24398213916649

Composite: Error. An explained series or its seasonal adjustment cannot include values with different signs or zero values

Growth equation: Error. Output series or its seasonal adjustment cannot contain negative or zero values

Logarithmic: 0.234589809314515

Hyperbolic: Error. Output series or its seasonal adjustment cannot contain negative or zero values

Exponential: Error. An explained series or its seasonal adjustment cannot include values with different signs or zero values

Inverse: 0.229687257655624

Power: Error. An explained series or its seasonal adjustment cannot include values with different signs or zero values

Logistic: 0.17831506972174

Square root: 0.237355188405712

Logarithmic-parabolic: Error. Output series or its seasonal adjustment cannot contain negative or zero values

Unit execution finished

See also:

IDependenceForm