Method getStdDevDiagonal

src/Data.cpp:92–107

  }

  Vector Data::getStdDevDiagonal() const
  {
    if (this->checkElement(DataElement::Covariance))
    {
      return this->getCovarianceMatrix().diagonal().cwiseSqrt();
    }
    else if (this->checkElement(DataElement::CovarianceDiagonal))
    {
      return this->getCovarianceDiagonal().cwiseSqrt();
    }
    else
    {
      PRINT_ERROR("Data has no covariance element!");
      return Vector();
    }
  }

  double* Data::getMeanPointer()
  {