public double ComputeIndex(Sampler[] samplers)
{
var sigma_ref = EmpiricalData.sigma(this.r);
var ub_forward_samples = samplers[Constants.UB_FORWARD_SAMPLE_INDEX].measurementFrame;
var mean = ub_forward_samples.Aggregate(0d, (seed, v) => seed + v) / Constants.NUMBER_OF_MEASUREMENT_FRAME;
var sum_diff = ub_forward_samples.Select(x => x - mean).Aggregate(0d, (seed, v) => seed + v * v);
this.sigma = Math.Sqrt(sum_diff / Constants.NUMBER_OF_MEASUREMENT_FRAME);
var weight = weighting(mean);
return 1 - (this.sigma * weight / sigma_ref);
}
public bool hasEnoughSamples(Sampler[] samplers)
{
return samplers[Constants.UB_FORWARD_SAMPLE_INDEX].measurementFrame.Count == Constants.NUMBER_OF_MEASUREMENT_FRAME;
}