This paper considers the estimation of the parameters of general systems of stochastic differential-difference equations in which the lag parameters themselves are treated as unknown and are not ...

I have a problem. I need to be able to open a file based on inputs from a form with some version of Acrobat across multiple machines. The problem is that right now, due to the wonders of small company ...

This paper proposes an Augmented Dickey—Fuller (ADF) coefficient test for detecting the presence of a unit root in autoregressive moving average (ARMA) models of unknown order. Although the limit ...