search for: tp22353903p22353903

...gives the correct coefficients but the forecasts are wrong (ie they are flat and do not follow the trend). Could anyone think of a way to get both the coefficients AND the forecasts correct? Thanks. -- View this message in context: http://www.nabble.com/Time-Series---ARIMA-differencing-problem-tp22353903p22353903.html Sent from the R help mailing list archive at Nabble.com.