public int GetLongestDimension(DimWeight dw)
{
//return GetHighestVarianceDimension(dw);
int longestDim = 0;
double longestDimLen = Double.MinValue;
for (int i = 0; i < dw.NumDim; i++)
{
double mincur = Double.MaxValue;
double maxcur = Double.MinValue;
foreach (var point in points)
{
if (point.Values[i] > maxcur)
{
maxcur = point.Values[i];
}
if (point.Values[i] < mincur)
{
mincur = point.Values[i];
}
}
if (((maxcur - mincur) * dw.Pdf[i]) > longestDimLen)
{
longestDim = i;
longestDimLen = ((maxcur - mincur) * dw.Pdf[i]);
}
}
return(longestDim);
}
public double GetMeanDistance(Point p, DimWeight dw)
{
double sum = 0;
foreach (var myp in points)
{
sum += myp.ComputeDistance(p, dw);
}
return(sum / points.Count());
}
public double ComputeDistance(Point other, DimWeight dw)
{
if (NumDim != other.NumDim || NumDim != dw.NumDim)
{
return(-1);
}
double distSq = 0;
for (int i = 0; i < NumDim; i++)
{
distSq += Math.Pow((other.Values[i] - Values[i]) * dw.Pdf[i] * NumDim, 2);
}
return(Math.Sqrt(distSq));
}
public int GetHighestVarianceDimension(DimWeight dw)
{
int longestDim = 0;
double longestDimLen = Double.MinValue;
for (int i = 0; i < dw.NumDim; i++)
{
List <double> d = new List <double>();
foreach (var point in points)
{
d.Add(point.Values[i]);
}
var std = stdev(d) * dw.Pdf[i];
if (std > longestDimLen)
{
longestDim = i;
longestDimLen = std;
}
}
return(longestDim);
}
public PointCompare(DimWeight dw, Point p)
{
Dw = dw;
P = p;
}