Thank you Udo , TBC, Sas FS does NOT allow : limit Pand Q orders. Select only final models with all significative parameters,... to do this, could I usethe option "Refine parameters"?  .The user guide is not very clear.Could someone especify exactly what exactlymakesthis option? Thanks in advance¡ Javier ... View more

No¡, of course i know which is the p-value range... I refer to the possibility of controlling the maximum order of the AR ( p & P) and MA ( q &Q ) parameters in SAS Forecast studio . In reference to the other issue I found ARIMA models, select FS as champions , with non-significant parameters ( ie> 0.05 ) AR / MA and input variables ... i need to select statistically valid models, this concerns me as I want to automate the forecast process ... View more