Martin Maechler
on Sat, 30 Jan 2021 12:21:14 +0100 writes:
Rolf Turner
on Sat, 30 Jan 2021 16:11:32 +1300 writes:
>> On Fri, 29 Jan 2021 12:47:25 +0000 Nasia Petsa
>> <petsa.athanasia at hotmail.gr> wrote:
>>> Dear all,
>>>
>>> I have the following problem with determining the
>>> argument fixed in arima function. What is the length of
>>> argument fixed for an ARIMA(1,0,0)(0,1,1) and what is
>>> the correct order for the parameters
>> Hmm. The help is indeed pretty opaque, isn't it?
> Can you propose improvements?
> Here(*) is the source code of the help page
> http://svn.r-project.org/R/trunk/src/library/stats/man/arima.Rd
> We (and future R users) would be glad for less opaque (and
> still concise) wording, notably in simple enough English
> for the 90% non-natively English speaking R users ..
> Thank you in advance! Martin
In the mean time, Rolf sent me a nicely enhanced arima.Rd
which is now part of R (R-devel at least):
------------------------------------------------------------------------
r79918 | maechler | 2021-02-01 15:07:32 +0100 (Mon, 01 Feb 2021) | 1 line
Changed paths:
M src/library/stats/man/arima.Rd
M tests/Examples/stats-Ex.Rout.save
extended for `fixed` arg, plus ex., thanks to Rolf Turner
------------------------------------------------------------------------
(Unfortunately, I added 1 stray character when slightly editing
Rolf's version.)
Such _careful_ contributions are welcome, thank you again!
---
Martin