I've exactly done as you say, add 4 years more to my forecast sample and then I increase the ony independent variable making different scenarii. Also I leave dependent variable as missing but i have an error message. Could you tell me if Proc panel can produde forecasts or not?   Thank you. ... View more

Dear linxia   Your solution is not possible at least in an automatic or programme way, because the cross sectional values, that are necessary to use your solution of making the prediction "by hand" are not included in any out file. Is there any elegant possibility to forecast using proc panel or not? Please give us a clear answer. Thank you. ... View more