public RegressionPipelineEstimator <TR, TE> Fit(Matrix <double> x, Vector <double> y)
{
var(transformer, transformedX) = _transformation.FitTransform(x, y);
var regressionEstimator = _regression.Fit(transformedX, y);
return(new RegressionPipelineEstimator <TR, TE>(this, transformer, regressionEstimator));
}
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));
}