http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=8348047&tstart=0#8348047 everything is clear now.
Best,
M

"Rick " <rick.baker@mathworks.com> wrote in message]]> Feb 16, 2013 10:48:14 AM Feb 16, 2013 10:48:14 AM m.milenkovic@mathworks.com 0 http://mathforum.org/kb/thread.jspa?messageID=8347335&tstart=0#8347335
I must admit that I?m now rather confused by your question. To respond to your direct question:

?You say that the parameter]]> Feb 16, 2013 8:59:07 AM Feb 16, 2013 8:59:07 AM rick.baker@mathworks.com 1 http://mathforum.org/kb/thread.jspa?messageID=8332949&tstart=0#8332949 just once again to be sure. I have a time series. This data have trend and seasonal fluctuations, so I performed first difference and]]> Feb 15, 2013 4:20:15 AM Feb 15, 2013 4:20:15 AM m.milenkovic@mathworks.com 2 http://mathforum.org/kb/thread.jspa?messageID=8324336&tstart=0#8324336 >]]> Feb 14, 2013 1:32:06 PM Feb 14, 2013 1:32:06 PM rick.baker@mathworks.com 3 http://mathforum.org/kb/thread.jspa?messageID=8321148&tstart=0#8321148 parameter estimation in ARIMA are performed on adjusted time series (first, seasonal differencing) or original nonstationary time]]> Feb 14, 2013 5:16:06 AM Feb 14, 2013 5:16:06 AM m.milenkovic@mathworks.com 4