Some good references: https://www.otexts.org/fpp http://link.springer.com/book/10.1007%2F978-0-387-88698-5 http://www.statoek.wiso.uni-goettingen.de/veranstaltungen/zeitreihen/sommer03/ts_r_intro.pdf Best, -- GG This Communication is Ericsson Confidential. We only send and receive email on the basis of the term set out at http://www.ericsson.com/email_disclaimer [[alternative HTML version deleted]]