ChiTest: ISpecificationTestStatistic;
Свойство ChiTest возвращает значения статистики хи-квадрат.
Для выполнения примера добавьте ссылку на системную сборку Stat.
Sub UserProc;
Var
ChowTest: SmChowTest;
can, fra, ger: Array Of Double;
z: Array Of Integer;
d0: Double;
res: Integer;
StatF, StatHi: ISpecificationTestStatistic;
Begin
ChowTest := New SmChowTest.Create;
can := New Double[20];
fra := New Double[20];
ger := New Double[20];
z := New Integer[20];
// значения can, fra, ger, z
can[00] := 6209; fra[00] := 4110; ger[00] := 3415; z[00] := 0;
can[01] := 6385; fra[01] := 4280; ger[01] := 6385; z[01] := 0;
can[02] := 6752; fra[02] := 4459; ger[02] := 6752; z[02] := 0;
can[03] := 6837; fra[03] := 4545; ger[03] := 6837; z[03] := 0;
can[04] := 6495; fra[04] := 4664; ger[04] := 6495; z[04] := 0;
can[05] := 6907; fra[05] := 4861; ger[05] := 6907; z[05] := 0;
can[06] := 7349; fra[06] := 5195; ger[06] := 7349; z[06] := 0;
can[07] := 7213; fra[07] := 5389; ger[07] := 7213; z[07] := 0;
can[08] := 7061; fra[08] := 5463; ger[08] := 7061; z[08] := 0;
can[09] := 7180; fra[09] := 5610; ger[09] := 7180; z[09] := 0;
can[10] := 7132; fra[10] := 5948; ger[10] := 7132; z[10] := 0;
can[11] := 7137; fra[11] := 6218; ger[11] := 7137; z[11] := 0;
can[12] := 7473; fra[12] := 6521; ger[12] := 7473; z[12] := 1;
can[13] := 7722; fra[13] := 6788; ger[13] := 7722; z[13] := 1;
can[14] := 8088; fra[14] := 7222; ger[14] := 8088; z[14] := 1;
can[15] := 8516; fra[15] := 7486; ger[15] := 8516; z[15] := 1;
can[16] := 8941; fra[16] := 7832; ger[16] := 8941; z[16] := 1;
can[17] := 9064; fra[17] := 8153; ger[17] := 9064; z[17] := 1;
can[18] := 9380; fra[18] := 8468; ger[18] := 9380; z[18] := 1;
can[19] := 9746; fra[19] := 9054; ger[19] := 9746; z[19] := 1;
ChowTest.Explained.Value := can;
ChowTest.Explanatories.Add.Value := fra;
ChowTest.Explanatories.Add.Value := ger;
ChowTest.GroupSeparator := z;
ChowTest.Intercept.Mode := InterceptMode.AutoEstimate;
ChowTest.ConfidenceLevel := 0.01;
ChowTest.ModelPeriod.FirstPoint := 1;
ChowTest.ModelPeriod.LastPoint := 20;
ChowTest.TestType := ChowTestType.BreakPoint;
res := ChowTest.Execute;
If res<>0 Then
Debug.WriteLine(ChowTest.Errors);
Else
If ChowTest.ChowTestResult Then
Debug.WriteLine("Нулевая гипотеза принимается")
Else
Debug.WriteLine("Нулевая гипотеза НЕ ПРИНИМАЕТСЯ");
End If;
Debug.WriteLine("=============== ");
Debug.Write("F-statistic: ");
StatF := ChowTest.FTest;
d0 := StatF.Statistic;
Debug.WriteLine(d0.ToString);
Debug.Write("F-probability: ");
d0 := StatF.Probability;
Debug.WriteLine(d0.ToString);
Debug.WriteLine("=============== ");
Debug.Write("Hi-statistic: ");
StatHi := ChowTest.ChiTest;
d0 := StatHi.Statistic;
Debug.WriteLine(d0.ToString);
Debug.Write("Hi-probability: ");
d0 := StatHi.Probability;
Debug.WriteLine(d0.ToString);
End If;
End Sub UserProc;
После выполнения примера в окно консоли будут выведены значения статистик и их вероятностей.
См. также: