public static double[] MovingBoxPlot(double[] values, double[] controlValues,
int nbins, SignificanceType type)
{
double[] lowerQuart;
double[] median;
double[] upperQuart;
double[] binBoundaries;
return(MovingBoxPlot(values, controlValues, nbins, out lowerQuart, out median,
out upperQuart, out binBoundaries, type));
}
public static double[] MovingBoxPlot(double[] values, double[] controlValues, int nbins, out double[] lowerQuart,
out double[] median, out double[] upperQuart, out double[] binBoundaries,
SignificanceType type)
{
int n = values.Length;
if (n == 0)
{
lowerQuart = new double[0];
median = new double[0];
upperQuart = new double[0];
binBoundaries = new double[0];
return(new double[0]);
}
nbins = nbins < 0 ? Math.Max(1, (int)Math.Round(n / (double)minBinsize)) : Math.Min(nbins, 1 + n / 4);
int[] pos = new int[nbins + 1];
for (int i = 0; i < nbins + 1; i++)
{
pos[i] = (int)Math.Round(i / (double)nbins * n);
}
double[] result = new double[n];
lowerQuart = new double[nbins];
median = new double[nbins];
upperQuart = new double[nbins];
binBoundaries = new double[nbins];
int[] o = ArrayUtil.Order(controlValues);
int[][] indices = new int[nbins][];
for (int i = 0; i < nbins; i++)
{
indices[i] = new int[pos[i + 1] - pos[i]];
Array.Copy(o, pos[i], indices[i], 0, pos[i + 1] - pos[i]);
}
for (int i = 0; i < nbins; i++)
{
double[] r = ArrayUtil.SubArray(values, indices[i]);
double[] c = ArrayUtil.SubArray(controlValues, indices[i]);
int[] o1 = ArrayUtil.Order(r);
double rlow = r[o1[(int)Math.Round(0.1587 * (r.Length - 1))]];
double rmed = r[o1[(int)Math.Round(0.5 * (r.Length - 1))]];
double rhigh = r[o1[(int)Math.Round(0.8413 * (r.Length - 1))]];
lowerQuart[i] = rlow;
median[i] = rmed;
upperQuart[i] = rhigh;
binBoundaries[i] = ArrayUtil.Min(c);
if (indices[i].Length > 2)
{
for (int j = 0; j < indices[i].Length; j++)
{
double ratio = r[j];
switch (type)
{
case SignificanceType.upper:
if (rhigh == rmed)
{
result[indices[i][j]] = 1;
}
else
{
double z = (ratio - rmed) / (rhigh - rmed);
result[indices[i][j]] = Errfunc(z);
}
break;
case SignificanceType.lower:
if (rlow == rmed)
{
result[indices[i][j]] = 1;
}
else
{
double z = (ratio - rmed) / (rlow - rmed);
result[indices[i][j]] = Errfunc(z);
}
break;
default:
if (ratio >= rmed)
{
if (rhigh == rmed)
{
result[indices[i][j]] = 1;
}
else
{
double z = (ratio - rmed) / (rhigh - rmed);
result[indices[i][j]] = Errfunc(z);
}
}
else
{
if (rlow == rmed)
{
result[indices[i][j]] = 1;
}
else
{
double z = (ratio - rmed) / (rlow - rmed);
result[indices[i][j]] = Errfunc(z);
}
}
break;
}
}
}
else
{
for (int j = 0; j < indices[i].Length; j++)
{
result[indices[i][j]] = 1;
}
}
}
return(result);
}
