search for: maravall

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2005 Oct 04
1
TRAMO-SEATS methodology
Dear Colleagues would someone know a suitable online-source for information regarding the TRAMO SEATS method for time series ? (an alternative to X12 ARIMA and earlier ARIMAs used by the US census bureau) Cheers -- ----------------------------- Soren Wilkening Principal Consultant phone: +49-30-96080121 wilkening at censix.com CENSIX Consulting Statistics, Surveys, Censuses
2005 Oct 15
2
TRAMO-SEATS confusion?
Dear R People: When looking at the previous postings regarding TRAMO-SEATS, I am somewhat puzzled. Is it true that we CANNOT replicate TRAMO-SEATS because of licensing or ownership issues, please? If not, would anyone be interested in an R version of it, please? Thanks, Sincerely, Erin Hodgess Associate Professor Department of Computer and Mathematical Sciences University of Houston -
2004 May 25
1
Tramo-seats support in GRETL, but not R
....sourceforge.net/tramo/tramo-seats.html TRAMO stands for "Time series Regression with ARIMA noise, Missing values and Outliers" and SEATS for "Signal Extraction in ARIMA Time Series". These programs (which are commonly used together) were developed by Victor Gómez and Agustín Maravall at the Bank of Spain. The home page for these programs is at www.bde.es. To quote the description given there, "The programs are fundamentally aimed at monthly or lower frequency time series. Although structured to meet the needs of an expert analyst, they can be reliably used in an entire...