/// @param pdf DhbStatistics.ScaledProbabilityDensityFunction
/// @return double chi2 of histogram compared to supplied
/// probability distribution.
public double Chi2ConfidenceLevel(
ScaledProbabilityDensityFunction pdf)
{
return (new ChiSquareDistribution(_contents.Length -
pdf.Parameters.Length))
.ConfidenceLevel(Chi2Against(pdf));
}
/// @param pdf DhbStatistics.ScaledProbabilityDensityFunction
/// @return double chi2 of histogram compared to supplied
/// probability distribution.
public double Chi2Against(ScaledProbabilityDensityFunction pdf)
{
double chi2 = 0;
for (int i = 0; i < _contents.Length; i++)
chi2 += new WeightedPoint(1, _contents[i]).Chi2Contribution(pdf);
return chi2;
}