Charles, check the following citation... https://stat.ethz.ch/pipermail/r-help/2006-March/101243.html NOTICE TO RECIPIENT: If you are not the intended recipient of this e-mail, you are prohibited from sharing, copying, or otherwise using or disclosing its contents. If you have received this e-mail in error, please notify the sender immediately by reply e-mail and permanently delete this e-mail and any attachments without reading, forwarding or saving them. Thank you. "Charles R. Partridge" <cpartridge(a)chipeval.org&gt; Sent by: gretl-users-bounces(a)lists.wfu.edu 11/10/2008 11:28 AM Please respond to cpartridge(a)chipeval.org; Please respond to Gretl list <gretl-users(a)lists.wfu.edu&gt; To <gretl-users(a)lists.wfu.edu&gt; cc Subject [Gretl-users] Interrupted Time Series (Intervention) Analysis Utilizing ARIMA Greetings, I'm a newcomer to Gretl, and I'm looking for tutorials or citations that focus on how to analyze the effects of an intervention, utilizing the ARIMA with data from an interrupted time-series design. Thanks in advance! Regards, Charles R. Partridge, Ph.D. Independent Evaluation Consultant C.H.I.P. Evaluation Consulting Columbus, Ohio (614) 205-5079 cpartridge(a)chipeval.org _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users