Dear Riccardo,
The filter function is quite useful. There is a slight misprint in the PDF
Command Reference: the second sum starts from {i=i}; of course, it should
say {i=1}.
--
Yours sincerely, | С уважением,
Andreï V. Kostyrka. | Андрей Викторович Костырка.
http://kostyrka.ru,
http://kostyrka.ru/blog
2014-04-26 13:23 GMT+04:00 <oleg_komashko(a)ukr.net>:
Another option for automatized ARIMA selection is to use TRAMO. You
should install binaries from Gretl site. Use short output option,
--- Оригінальне повідомлення ---
Від кого: "Tim Nall" <tnall.ling(a)gmail.com>
Дата: 26 квітня 2014, 03:53:32
All,
Please forgive my simple questions. For ARIMA modelling, using the ACF
and PACF to determine the pdq parameters requires subjective judgment
based on experience. Answers are seldom clear-cut. As the subject
header says, can a somewhat more objective path be found in quickly
running through ARIMA models, varying parameters, acquiring AIC, BIC,
HQC, and comparing? I don't think the time-series-->VAR lag selection
option gets at precisely the same thing. Thank you TMN
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