/// <summary>
/// Recalculates frequency statistics
/// </summary>
/// <param name="tasks">The tasks.</param>
public override void reCalculate(preCalculateTasks tasks = preCalculateTasks.all)
{
if (blockReCall)
{
return;
}
blockReCall = true;
Accept();
_sumOfValues = 0;
_maxValue = int.MinValue;
_minValue = int.MaxValue;
foreach (var pair in items)
{
_sumOfValues = _sumOfValues + pair.Key;
_maxValue = Math.Max(_maxValue, pair.Key);
_minValue = Math.Min(_minValue, pair.Key);
}
base.reCalculate(tasks);
_avgValue = (((double)_sumOfValues) / ((double)Count));
var valArray = items.Keys.getDoubleValues().ToArray();
// entropyFreq = Accord.Statistics.Measures.Entropy(valArray);
varianceFreq = valArray.GetVariance(); // Accord.Statistics.Measures.Variance(valArray, false);
standardDeviation = valArray.GetStdDeviation(); //Accord.Statistics.Measures.StandardDeviation(valArray, _avgValue, true);
Accept();
blockReCall = false;
}
/// <summary>
/// Recalculates frequency statistics
/// </summary>
/// <param name="tasks">The tasks.</param>
public virtual void reCalculate(preCalculateTasks tasks = preCalculateTasks.all)
{
if (blockReCall)
{
return;
}
blockReCall = true;
double count = Convert.ToDouble(Count);
doMinMaxSum();
Accept();
//List<T> rank = getSorted();
double _sumScore = Convert.ToDouble(totalScore);
var valArray = items.Values.getDoubleValues().ToArray();
//if (tasks.HasFlag(preCalculateTasks.avgDiversity))
//{
avgFreq = _sumScore / count;
_diversityAntiValue = _sumScore / (avgFreq * avgFreq);
_diversityAntiRatio = (avgFreq * avgFreq) / _sumScore;
_diversityRatio = 1 - _diversityAntiRatio;
//}
//if (tasks.HasFlag(preCalculateTasks.entropyCoVarDev))
//{
// //Measures.Entropy()
var RFreqArray = GetRFreqArray();
entropyFreq = RFreqArray.GetEntropy();
varianceFreq = RFreqArray.GetVariance(false);
//Accord.Statistics.Measures.Variance(valArray, true);
standardDeviation = Math.Sqrt(varianceFreq); //RFreqArray.GetStdDeviation(false); // Accord.Statistics.Measures.StandardDeviation(valArray, avgFreq, true);
//}
Accept();
blockReCall = false;
}
