This is a preview. Log in through your library . Abstract Several tests based on a t-ratio have been proposed in the literature to decide the order of integration of a time series allowing for a ...

This is a preview. Log in through your library . Abstract Despite the fact that it is not correct to speak of Bartlett corrections in the case of nonstationary time series, this paper shows that a ...

The idea of unit testing has been around for many years. "Test early, test often" is a mantra that concerns unit testing as well. However, in practice, not many software projects have the luxury of ...