Method Learn

Filters/ParallelStatistics/vtkPContingencyStatistics.cxx:126–389

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
void vtkPContingencyStatistics::Learn(
  vtkTable* inData, vtkTable* inParameters, vtkStatisticalModel* outMeta)
{
#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
  vtkTimerLog* timer = vtkTimerLog::New();
  timer->StartTimer();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS

  if (!outMeta)
  {
#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
    timer->Delete();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS

    return;
  }

#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
  vtkTimerLog* timers = vtkTimerLog::New();
  timers->StartTimer();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS
  // First calculate contingency statistics on local data set
  this->Superclass::Learn(inData, inParameters, outMeta);
#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
  timers->StopTimer();

  std::cout << "## Process " << this->Controller->GetCommunicator()->GetLocalProcessId()
            << " serial engine executed in " << timers->GetElapsedTime() << " seconds."
            << "\n";

  timers->Delete();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS

  // Get a hold of the summary table
  vtkTable* summaryTab = outMeta->GetTable(vtkStatisticalModel::Learned, 0);
  if (!summaryTab)
  {
#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
    timer->Delete();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS

    return;
  }

  // Determine how many (X,Y) variable pairs are present
  vtkIdType nRowSumm = summaryTab->GetNumberOfRows();
  if (nRowSumm <= 0)
  {
    // No statistics were calculated in serial.
#if DEBUG_PARALLEL_CONTINGENCY_STATISTICS
    timer->Delete();
#endif // DEBUG_PARALLEL_CONTINGENCY_STATISTICS

    return;
  }

  // Get a hold of the contingency table
  vtkTable* contingencyTab = outMeta->GetTable(vtkStatisticalModel::Learned, 1);