// finds the corralated feature.
/************ the graph view uses it ***********/
public string FindCorralativeFeature(string attName)
{
int counter = 0;
double max = 0;
double result = 0;
corrChooseIdx = 0;
//finding attributes choseb index in list of list
attChooseIdx = viewModelController.VM_headerNames.FindIndex(a => a.Contains(attName));
// the values of the chosen feature
attList = viewModelController.VM_currentAtt[attChooseIdx];
floatAttList = stringToFloat(attList);
//finding most corrleative attribute
foreach (List <string> list in viewModelController.VM_currentAtt)
{
if (counter == attChooseIdx)
{
counter++;
}
else
{
floatCorrList = stringToFloat(list);
result = Math.Abs(clientModel.pearson(floatAttList, floatCorrList, floatCorrList.Count));
if (result > max)
{
max = result;
corrChooseIdx = counter;
}
counter++;
}
}
// takes care of the atts with vector 0
if (corrChooseIdx == 0 && attName != viewModelController.VM_headerNames[0])
{
corrItemName = attName;
VM_corralative = corrItemName;
floatCorrList = floatAttList;
//if anomaly detector ins reg line - setting up line (0,0)
regMax = 0;
regMin = 0;
regFxMax = 0;
regFxMin = 0;
//if anomaly detector ins min Circle - setting up circle in (0,0) with 0 radius
if (viewModelController.isCircel)
{
radius = 0;
centerX = 0;
centerY = viewModelController.dllAlgo.getY();
}
return(corrItemName);
}
//setting up corr
corrItemName = viewModelController.VM_headerNames[corrChooseIdx];
floatCorrList = stringToFloat(viewModelController.VM_currentAtt[corrChooseIdx]);
VM_corralative = corrItemName;
//creating a list of point for chosen att and max corr
List <Point> pointList = new List <Point>();
for (int i = 0; i < attList.Count; i++)
{
pointList.Add(new Point(floatAttList[i], floatCorrList[i]));
}
//if anomaly algorithim is min Circle - getting minimum circle and setting up (x,y) and radius
if (viewModelController.isCircel)
{
viewModelController.dllAlgo.findMinCirc(attChooseIdx, corrChooseIdx);
radius = viewModelController.dllAlgo.getRadiu();
centerX = viewModelController.dllAlgo.getX();
centerY = viewModelController.dllAlgo.getY();
}
//finding reg Line
Line regLine = clientModel.linear_reg(pointList, pointList.Count);
//finding max and min values of attList;
regMax = floatAttList.Max();
regMin = floatAttList.Min();
regFxMax = regLine.f(regMax);
regFxMin = regLine.f(regMin);
return(corrItemName);
}
