public double GetEntropy()
{
DoubleHistogram histogram = new DoubleHistogram(_items, _binCnt);
var dataCntInBin = histogram.GetDataCountInBin();
return(new DiscreteEntropy <int>(Util.GetDictionary(dataCntInBin), _logBase).GetEntropy());
}
public double GetEntropy()
{
var xlistLen = _xlist.Count();
DoubleHistogram[] histograms = new DoubleHistogram[xlistLen];
for (int i = 0; i < xlistLen; i++)
{
histograms[i] = new DoubleHistogram(_xlist.ElementAt(i), _binCntList.ElementAt(i));
}
if (xlistLen == 2)
{
Dictionary <Tuple <int, int>, int> countDict = new Dictionary <Tuple <int, int>, int>();
for (int j = 0; j < _xLen; j++)
{
var tuple = new Tuple <int, int>(histograms[0].GetBinIndex(_xlist.ElementAt(0).ElementAt(j)), histograms[1].GetBinIndex(_xlist.ElementAt(1).ElementAt(j)));
if (!countDict.ContainsKey(tuple))
{
countDict.Add(tuple, 1);
}
else
{
countDict[tuple]++;
}
}
return(new DiscreteEntropy <Tuple <int, int> >(countDict, _logBase).GetEntropy());
}
else if (xlistLen == 3)
{
Dictionary <Tuple <int, int, int>, int> countDict = new Dictionary <Tuple <int, int, int>, int>();
for (int j = 0; j < _xLen; j++)
{
var tuple = new Tuple <int, int, int>(histograms[0].GetBinIndex(_xlist.ElementAt(0).ElementAt(j)), histograms[1].GetBinIndex(_xlist.ElementAt(1).ElementAt(j)),
histograms[2].GetBinIndex(_xlist.ElementAt(2).ElementAt(j)));
if (!countDict.ContainsKey(tuple))
{
countDict.Add(tuple, 1);
}
else
{
countDict[tuple]++;
}
}
return(new DiscreteEntropy <Tuple <int, int, int> >(countDict, _logBase).GetEntropy());
}
else
{
throw new NotImplementedException();
}
}
