public void should_return_percentiles_for_given_data(Expectation expectation)
{
var builder = new LinearInterpolationBuilder(expectation.DesiredPercentiles);
foreach (var datum in expectation.Values.Shuffle().ToArray())
{
builder.AddValue(datum);
}
var percentiles = builder.GetPercentiles().ToList();
percentiles.ShouldBeEquivalentTo(expectation.ExpectedPercentiles, true);
}
public void should_work_with_random_uniform_distribution()
{
var random = new Random();
var builder = new LinearInterpolationBuilder();
for (var i = 0; i < 1000000; ++i)
{
builder.AddValue(random.NextDouble() * 100);
}
var percentiles = builder.GetPercentiles().ToList();
Console.WriteLine(string.Join(", ", percentiles));
for (var i = 0; i < 9; ++i)
{
var deltaToPercentile = percentiles[i].Value - ((i + 1) * 10);
deltaToPercentile.ShouldBeLessThan(0.15);
}
}
