public bool CheckH0HypothesisByHistogramData(IExcelSheet sheet)
{
IExcelCellValueHolder chi2Observable = sheet.EvaluateCell(ExcelColumnIndex.J, 14);
IExcelCellValueHolder chi2Critical = sheet.EvaluateCell(ExcelColumnIndex.J, 16);
double chi2ObservableValue = chi2Observable.NumericValue;
double chi2CriticalValue = chi2Critical.NumericValue;
_logger.Info($"Chi2 observable: '{chi2ObservableValue.ToString()}'.");
_logger.Info($"Chi2 critical: '{chi2CriticalValue.ToString()}'.");
// TODO: remove this dirty hack.
const int dirtyhack = 100;
return((chi2ObservableValue / dirtyhack) < chi2CriticalValue);
}
private IModelledFunction GetOptimalFunction(IExcelSheet sheet,
ExcelColumnIndex yColumnIndex)
{
var xValues = new List <double>(_iterationsNumber);
var yValues = new List <double>(_iterationsNumber);
for (int rowIndex = 1.SkipHeader(); rowIndex <= _lastSegmentValueRowIndex; ++rowIndex)
{
IExcelCellHolder sampleSizeCell = sheet[_sampleSizeColumnIndex, rowIndex];
xValues.Add(sampleSizeCell.NumericValue);
IExcelCellValueHolder yValueCell = sheet.EvaluateCell(yColumnIndex, rowIndex);
yValues.Add(yValueCell.NumericValue);
}
return(_regression.Fit(xValues, yValues));
}
public int GetCalculatedSampleSize(IExcelSheet sheet)
{
IExcelCellValueHolder calculatedSampleSize = sheet.EvaluateCell(ExcelColumnIndex.K, 7);
return(Convert.ToInt32(calculatedSampleSize.NumericValue));
}
public void CreateHistogramData(IExcelSheet sheet)
{
sheet[ExcelColumnIndex.D, 1].SetValue(ExcelStringsPhaseOnePartTwo.PocketColumnName);
sheet[ExcelColumnIndex.E, 1].SetValue(ExcelStringsPhaseOnePartTwo.EmpiricalFrequencyColumnName);
sheet[ExcelColumnIndex.F, 1].SetValue(ExcelStringsPhaseOnePartTwo.RelativeFrequencyColumnName);
sheet[ExcelColumnIndex.G, 1].SetValue(ExcelStringsPhaseOnePartTwo.TheoreticalFrequencyColumnName);
sheet[ExcelColumnIndex.H, 1].SetValue(ExcelStringsPhaseOnePartTwo.Chi2ValueColumnName);
sheet[ExcelColumnIndex.I, 10].SetValue(ExcelStringsPhaseOnePartTwo.MinimumValue);
sheet[ExcelColumnIndex.I, 11].SetValue(ExcelStringsPhaseOnePartTwo.MaximumValue);
sheet[ExcelColumnIndex.I, 12].SetValue(ExcelStringsPhaseOnePartTwo.IntervalLength);
sheet[ExcelColumnIndex.I, 13].SetValue(ExcelStringsPhaseOnePartTwo.HistogramSemisegmentsNumber);
sheet[ExcelColumnIndex.I, 14].SetValue(ExcelStringsPhaseOnePartTwo.Chi2Observable);
sheet[ExcelColumnIndex.I, 15].SetValue(ExcelStringsPhaseOnePartTwo.FreedomDegreesNumber);
sheet[ExcelColumnIndex.I, 16].SetValue(ExcelStringsPhaseOnePartTwo.Chi2Critical);
sheet[ExcelColumnIndex.I, 17].SetValue(ExcelStringsPhaseOnePartTwo.CheckTestFucntion);
string lastValueRowIndex = _args.LaunchesNumber.SkipHeader().ToString();
string normalizedValueRange = $"$B$2:$B${lastValueRowIndex}";
sheet[ExcelColumnIndex.J, 10].SetFormula(sheet.FormulaProvider.Min(normalizedValueRange));
sheet[ExcelColumnIndex.J, 11].SetFormula(sheet.FormulaProvider.Max(normalizedValueRange));
string scottFormula = ManualFormulaProvider.ScottFormula(
sheet.FormulaProvider, normalizedValueRange, "$J$6"
);
sheet[ExcelColumnIndex.J, 12].SetFormula(scottFormula);
sheet[ExcelColumnIndex.J, 13].SetFormula(
sheet.FormulaProvider.RoundUp("($J$11 - $J$10) / $J$12", "0")
);
IExcelCellValueHolder histogramSegmentsNumber = sheet.EvaluateCell(ExcelColumnIndex.J, 13);
int histogramSegmentsNumberInt = Convert.ToInt32(histogramSegmentsNumber.NumericValue);
string histogramSegmentsNumberIndex =
histogramSegmentsNumberInt.UseOneBasedIndexing().SkipHeader().ToString();
CreateIntervalData(sheet, histogramSegmentsNumberInt, normalizedValueRange);
string chi2Formula = ManualFormulaProvider.Chi2(
sheet.FormulaProvider, $"$H$2:$H${histogramSegmentsNumberIndex}", "$J$6"
);
sheet[ExcelColumnIndex.J, 14].SetFormula(chi2Formula);
sheet[ExcelColumnIndex.J, 15].SetFormula("$J$13 - 1 - 2");
sheet[ExcelColumnIndex.J, 16].SetFormula(sheet.FormulaProvider.ChiInv("$J$8", "$J$15"));
string testFormula = sheet.FormulaProvider.ChiTest(
$"$F$2:$F${histogramSegmentsNumberIndex}",
$"$G$2:$G${histogramSegmentsNumberIndex}"
);
sheet[ExcelColumnIndex.J, 17].SetFormula(testFormula);
sheet.AutoSizeColumn(ExcelColumnIndex.D);
sheet.AutoSizeColumn(ExcelColumnIndex.E);
sheet.AutoSizeColumn(ExcelColumnIndex.F);
sheet.AutoSizeColumn(ExcelColumnIndex.G);
sheet.AutoSizeColumn(ExcelColumnIndex.H);
sheet.AutoSizeColumn(ExcelColumnIndex.I);
sheet.AutoSizeColumn(ExcelColumnIndex.J);
}