public IActionResult OnGet()
{
if (!ModelState.IsValid)
{
return(Page());
}
var samples = GetSamples();
var cdf = new CDF(samples);
Percentile = cdf.Calculate(GetRandomVariable());
var cdfInv = new InverseCDF(samples);
const double eps = .0001;
for (var perc = 0.0; perc <= .95 + eps; perc += .05)
{
var inv = cdfInv.Calculate(perc);
Percentiles.Add(inv);
XAxis.Add(Convert.ToInt32(perc * 100));
}
return(Page());
}
private void ClearOldPercentiles()
{
foreach (Line2D percentile in Percentiles)
{
percentile.IsVisible = false;
line2DPool.Add(percentile);
}
Percentiles.Clear();
}
public int Rank(decimal value)
{
foreach (var perc in Percentiles)
{
if (value <= this.PercentilesValue[perc])
{
return(perc);
}
}
return(Percentiles.Max());
}
public void CalculatePercentilesTest()
{
List <long> count = new List <long>();
List <double> percentiles = new List <double>();
for (int i = 0; i < 100; ++i)
{
count.Add(1);
percentiles.Add(((double)i + 1) / 100.0);
}
var res = Percentiles.CalculatePercentiles(count, percentiles.ToArray());
for (int i = 0; i < res.Length; ++i)
{
Assert.AreEqual(i + 1, res[i]);
}
}
public override string ToString()
{
return(String.Format("Date: {0} ", Date) +
String.Format("Props: {0}, ", String.Join(", ", Props.Select(k => k.Key + ": " + k.Value))) +
(Count.HasValue ? String.Format("Count: {0}, ", Count) : "") +
(Sum.HasValue ? String.Format("Sum: {0}, ", Sum) : "") +
(Min.HasValue ? String.Format("Min: {0}, ", Min) : "") +
(Max.HasValue ? String.Format("Max: {0}, ", Max) : "") +
(Avg.HasValue ? String.Format("Avg: {0}, ", Avg) : "") +
(Percentiles != null ? String.Format("Percentiles: {0}, ", String.Join(", ", Percentiles.Select(p => p.Key + ": " + p.Value))) : "") +
(DistributionGroups != null ? String.Format("DistributionGroups: {0}, ", String.Join(", ", DistributionGroups.Select(p => p.Key + ": " + p.Value))) : ""));
}
public void Merge(ParameterValues parameterValues)
{
Values.AddRange(parameterValues.Values);
Percentiles.AddRange(parameterValues.Percentiles);
}
public void Clear()
{
Values.Clear();
Percentiles.Clear();
}
