public void GetHistogramAllEqualBinsTest()
{
BinCounter b = new BinCounter(10, -1, 1);
for (int i = 0; i < b.NumBins; i++)
{
// log one in each bin
b.Log(b.RangeMin + (b.BinSize / 2) + i * b.BinSize);
}
string s = b.GetHistogram();
Assert.IsTrue(s.IndexOf("TotalEntries: 10") > -1);
Assert.IsTrue(s.IndexOf("CountBelowRangeMin: 0") > -1);
Assert.IsTrue(s.IndexOf("CountAboveRangeMax: 0") > -1);
Assert.IsTrue(s.IndexOf("MedianBinIdx: 4") > -1);
// All of the bins should be the same max size of 100
string hundredStars = new string('*', 100);
string[] splitOn = new string[1];
splitOn[0] = hundredStars;
int count = s.Split(splitOn, System.StringSplitOptions.None).Length - 1;
Assert.IsTrue(count == b.NumBins, "Not all bins were the expected size." + count + "\nOutput was:\n" + s);
}
static void Main(string[] args)
{
BinCounter b = new BinCounter(30, 0, 2);
// Log a bunch of distributed data
Random r = new Random();
for (int i = 0; i < 10000; i++)
{
float dir = r.NextDouble() < .5 ? -1 : 1;
float dist = (float)Math.Pow(r.NextDouble(), 2);
b.Log(1 + dir * dist);
}
// Log a few outliers
b.Log(5f);
b.Log(-3f);
Console.WriteLine("TotalEntries: " + b.TotalObservations);
Console.WriteLine("Mean: " + b.Mean);
Console.WriteLine("A particular bin count: " + b.Bins[4]);
Console.WriteLine("\nFull histogram plus info:\n------" + b.GetHistogram());
}