static double[] PopulateStream(QuantileStream stream, Random random)
{
var a = new double[100100];
for (int i = 0; i < a.Length; i++)
{
var v = random.NormDouble();
// Add 5% asymmetric outliers.
if (i % 20 == 0)
{
v = v * v + 1;
}
stream.Insert(v);
a[i] = v;
}
return(a);
}
