forecastSNSTS 1.2-0
===================
o Added MAPE function.
o Added parameters trimLo and trimUp to MSPE function.
forecastSNSTS 1.1-1
===================
o Fixed a small bug in function f and corresponding example.
forecastSNSTS 1.1-0
===================
o Added function acfARp to compute autocovariances of AR(p) processes.
o Added function f that can be used to verify assumption (10) from
Theorem 3.1 in Kley et al. (2016).
forecastSNSTS 1.0-0
===================
o two functions to compute linear prediction coefficients and mean squared
prediction errors.
o demo on how to analyse, using a simulated tvARMA(1,1) time series