public void UnitRb_ElementsBetween()
{
var rb0 = new RankedBag <int>();
var rb1 = new RankedBag <int> {
Capacity = 4
};
var rb2 = new RankedBag <int> (new int[] { 5, 5, 5, 5, 5 });
foreach (var k1 in new int[] { 3, 4, 5, 5, 6, 6, 7, 7, 8 })
{
rb1.Add(k1);
}
var d0 = new System.Collections.Generic.List <int> (rb0.ElementsBetween(2, 4));
Assert.AreEqual(0, d0.Count);
var d1 = new System.Collections.Generic.List <int> (rb1.ElementsBetween(5, 6));
Assert.AreEqual(4, d1.Count);
var d2 = new System.Collections.Generic.List <int> (rb1.ElementsBetween(5, 5));
Assert.AreEqual(2, d2.Count);
var d3 = new System.Collections.Generic.List <int> (rb2.ElementsBetween(5, 5));
Assert.AreEqual(5, d3.Count);
var d4 = new System.Collections.Generic.List <int> (rb2.ElementsBetween(1, 2));
Assert.AreEqual(0, d4.Count);
var d5 = new System.Collections.Generic.List <int> (rb2.ElementsBetween(9, 11));
Assert.AreEqual(0, d5.Count);
}
static void Main()
{
var scores = new RankedBag <int> {
2, 5, 4, 4, 5, 4, 7, 9
};
var mean = Mean(scores);
var stddev = StandardDeviation(scores);
Console.WriteLine($"Count = {scores.Count}, median = {Median (scores)}, mean = {Mean (scores)}");
Console.WriteLine($"Variance = {Variance (scores)}");
Console.WriteLine($"Standard deviation = {StandardDeviation (scores)}");
Console.WriteLine($"\nLow score: {scores.Min}");
Console.WriteLine($"High score: {scores.Max}");
Console.Write("Scores within 1 standard deviation:");
foreach (var score in scores.ElementsBetween((int)(mean - stddev + 0.5), (int)(mean + stddev + 0.5)))
{
Console.Write($" {score}");
}
Console.WriteLine();
}