[Gretl-users] Prediction intervals vs confidence intervals

Can one assume that the interval in the forecast GUI Analysis option of an estimated model is a true prediction interval?. If indeed it is, it would also be useful to be able to graph the prediction interval surrounding the fitted function values as well as the forecast ones. Brian J Revell Professor Emeritus Harper Adams University , Shropshire Current Chair of Defra Economic Advisory Panel Tel 01952 815237 Tel: +44 1952 728153 Mbl +44 7976 538712 University: +44 1952 815235 alt: email: bjrevell(a)harper-adams.ac.uk