Re: [R] TRAMO-SEATS confusion?

From: Dirk Eddelbuettel <edd_at_debian.org>
Date: Sun 16 Oct 2005 - 07:41:17 EST

Erin,

On 15 October 2005 at 15:53, Erin Hodgess wrote:
| 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?

Could you please

i) define 'replicate', and

ii) cite any licenses to back up this claim, or simply show us what you

    find so confusing.

I suspect that you are misinterpreting this, and that tramo-seats is indeed "simply" closed-source software that you can get re-distributed in binary form (e.g. from the gretl website, see below), but not in source.

| If not, would anyone be interested in an R version of it, please?

A couple of years ago I toyed with both the US Census' X12-ARIMA procedure and its tramo-seats alternative by Maravall et al. Given how atrociously '1960s' the X12-ARIMA interface is, I toyed with building an R frontend given that you get the Fortran code to X12-ARIMA straight from the Census site . But then something else came up and I never pursued this ...

The closest I know to using x12 and/or tramo-seats from somewhat saner and more modern software is via Allin Cottrell's gretl (cf http://gretl.sf.net). And per my suggestion a few years back, Allin even hacked a 'gretl to R' interface [ via mucking with ~/.Rprofile which isn't pretty but that is another story ... ]

Hope this helps, Dirk

|
| Thanks,
| Sincerely,
| Erin Hodgess
| Associate Professor
| Department of Computer and Mathematical Sciences
| University of Houston - Downtown
| mailto: hodgess@gator.uhd.edu
|
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Received on Sun Oct 16 07:46:27 2005

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