Alistair, That look like a very good way of getting things done. I had at one point in the past thought about undertaking a similar approach of dealing with the input/output files to x12arima from R.
However, my job priorities changed and I didn't have the need for x12arima any more. For the same reason, I never really dug into what gretl does -- you'd need to see for yourself: http://gretl.sourceforge.net/ Regards, Dirk -- FEATURE: VW Beetle license plate in California ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html