protected override void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
BackgroundWorkerInfo bwInfo = (BackgroundWorkerInfo)e.Argument;
var dataset = bwInfo.Dataset;
var indices = bwInfo.Indices.ToArray();
IDependencyCalculator calc = bwInfo.Calculator;
IList <string> doubleVariableNames = dataset.DoubleVariables.ToList();
int length = doubleVariableNames.Count;
double[,] elements = new double[length, length];
worker.ReportProgress(0);
for (int counter = 0; counter < length; counter++)
{
if (worker.CancellationPending)
{
worker.ReportProgress(100);
e.Cancel = true;
return;
}
var i = counter;
Parallel.ForEach(Enumerable.Range(i, length - i), j => {
var var1 = dataset.GetDoubleValues(doubleVariableNames[i], indices);
var var2 = dataset.GetDoubleValues(doubleVariableNames[j], indices);
OnlineCalculatorError error = OnlineCalculatorError.None;
if (bwInfo.IgnoreMissingValues)
{
var filtered = FilterNaNValues(var1, var2);
elements[i, j] = calc.Calculate(filtered, out error);
}
else
{
elements[i, j] = calc.Calculate(var1, var2, out error);
}
if (!error.Equals(OnlineCalculatorError.None))
{
elements[i, j] = double.NaN;
}
elements[j, i] = elements[i, j];
});
worker.ReportProgress((int)(((double)counter) / length * 100));
}
e.Result = elements;
worker.ReportProgress(100);
}
protected override void BackgroundWorker_DoWork(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = (BackgroundWorker)sender;
BackgroundWorkerInfo bwInfo = (BackgroundWorkerInfo)e.Argument;
var dataset = bwInfo.Dataset;
var indices = bwInfo.Indices.ToArray();
IDependencyCalculator calc = bwInfo.Calculator;
string variable = bwInfo.Variable;
int frames = bwInfo.Frames;
double[,] alreadyCalculated = bwInfo.AlreadyCalculated;
IList <string> doubleVariableNames = dataset.DoubleVariables.ToList();
int length = doubleVariableNames.Count;
double[,] elements = new double[length, frames + 1];
double calculations = (frames + 1) * length;
worker.ReportProgress(0);
int start = 0;
if (alreadyCalculated != null)
{
for (int i = 0; i < alreadyCalculated.GetLength(0); i++)
{
Array.Copy(alreadyCalculated, i * alreadyCalculated.GetLength(1), elements, i * elements.GetLength(1), alreadyCalculated.GetLength(1));
}
start = alreadyCalculated.GetLength(1);
}
var var1 = dataset.GetDoubleValues(variable, indices).ToArray();
for (int i = 0; i < length; i++)
{
for (int j = start; j <= frames; j++)
{
if (worker.CancellationPending)
{
worker.ReportProgress(100);
e.Cancel = true;
return;
}
IEnumerable <double> var2 = dataset.GetDoubleValues(doubleVariableNames[i], indices);
var error = OnlineCalculatorError.None;
elements[i, j] = calc.Calculate(var1.Skip(j), var2.Take(var1.Length - j), out error);
if (!error.Equals(OnlineCalculatorError.None))
{
elements[i, j] = double.NaN;
}
worker.ReportProgress((int)((100.0 / calculations) * (i * (frames + 1) + j + 1)));
}
}
e.Result = elements;
worker.ReportProgress(100);
}
private void BwCalculateCorrelation(object sender, DoWorkEventArgs e)
{
BackgroundWorker worker = sender as BackgroundWorker;
BackgroundWorkerInfo bwInfo = (BackgroundWorkerInfo)e.Argument;
var dataset = bwInfo.Dataset;
IEnumerable <int> indices = bwInfo.Indices;
IDependencyCalculator calc = bwInfo.Calculator;
IList <string> doubleVariableNames = dataset.DoubleVariables.ToList();
OnlineCalculatorError error = OnlineCalculatorError.None;
int length = doubleVariableNames.Count;
double[,] elements = new double[length, length];
double calculations = (Math.Pow(length, 2) + length) / 2;
worker.ReportProgress(0);
for (int i = 0; i < length; i++)
{
for (int j = 0; j < i + 1; j++)
{
if (worker.CancellationPending)
{
worker.ReportProgress(100);
e.Cancel = true;
return;
}
IEnumerable <double> var1 = problemData.Dataset.GetDoubleValues(doubleVariableNames[i], indices);
IEnumerable <double> var2 = problemData.Dataset.GetDoubleValues(doubleVariableNames[j], indices);
elements[i, j] = calc.Calculate(var1, var2, out error);
if (!error.Equals(OnlineCalculatorError.None))
{
elements[i, j] = double.NaN;
}
elements[j, i] = elements[i, j];
worker.ReportProgress((int)Math.Round((((Math.Pow(i, 2) + i) / 2 + j + 1.0) / calculations) * 100));
}
}
e.Result = elements;
worker.ReportProgress(100);
}